2008480120

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{1499}}^1$

素因数の和:1613

約数の個数: 128

約数和(自身を含む): 4989600000

約数和(自身を除く): 2981119880

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 41, 43, 76, 82, 86, 95, 152, 164, 172, 190, 205, 215, 328, 344, 380, 410, 430, 760, 779, 817, 820, 860, 1499, 1558, 1634, 1640, 1720, 1763, 2998, 3116, 3268, 3526, 3895, 4085, 5996, 6232, 6536, 7052, 7495, 7790, 8170, 8815, 11992, 14104, 14990, 15580, 16340, 17630, 28481, 29980, 31160, 32680, 33497, 35260, 56962, 59960, 61459, 64457, 66994, 70520, 113924, 122918, 128914, 133988, 142405, 167485, 227848, 245836, 257828, 267976, 284810, 307295, 322285, 334970, 491672, 515656, 569620, 614590, 644570, 669940, 1139240, 1167721, 1224683, 1229180, 1289140, 1339880, 2335442, 2449366, 2458360, 2578280, 2642737, 4670884, 4898732, 5285474, 5838605, 6123415, 9341768, 9797464, 10570948, 11677210, 12246830, 13213685, 21141896, 23354420, 24493660, 26427370, 46708840, 48987320, 50212003, 52854740, 100424006, 105709480, 200848012, 251060015, 401696024, 502120030, 1004240060, 2008480120]

約数ペア:

[(1, 2008480120), (2, 1004240060), (4, 502120030), (5, 401696024), (8, 251060015), (10, 200848012), (19, 105709480), (20, 100424006), (38, 52854740), (40, 50212003), (41, 48987320), (43, 46708840), (76, 26427370), (82, 24493660), (86, 23354420), (95, 21141896), (152, 13213685), (164, 12246830), (172, 11677210), (190, 10570948), (205, 9797464), (215, 9341768), (328, 6123415), (344, 5838605), (380, 5285474), (410, 4898732), (430, 4670884), (760, 2642737), (779, 2578280), (817, 2458360), (820, 2449366), (860, 2335442), (1499, 1339880), (1558, 1289140), (1634, 1229180), (1640, 1224683), (1720, 1167721), (1763, 1139240), (2998, 669940), (3116, 644570), (3268, 614590), (3526, 569620), (3895, 515656), (4085, 491672), (5996, 334970), (6232, 322285), (6536, 307295), (7052, 284810), (7495, 267976), (7790, 257828), (8170, 245836), (8815, 227848), (11992, 167485), (14104, 142405), (14990, 133988), (15580, 128914), (16340, 122918), (17630, 113924), (28481, 70520), (29980, 66994), (31160, 64457), (32680, 61459), (33497, 59960), (35260, 56962)]