25442140

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{71}}^1$

素因数の和:163

約数の個数: 96

約数和(自身を含む): 60963840

約数和(自身を除く): 35521700

約数列:

[1, 2, 4, 5, 10, 19, 20, 23, 38, 41, 46, 71, 76, 82, 92, 95, 115, 142, 164, 190, 205, 230, 284, 355, 380, 410, 437, 460, 710, 779, 820, 874, 943, 1349, 1420, 1558, 1633, 1748, 1886, 2185, 2698, 2911, 3116, 3266, 3772, 3895, 4370, 4715, 5396, 5822, 6532, 6745, 7790, 8165, 8740, 9430, 11644, 13490, 14555, 15580, 16330, 17917, 18860, 26980, 29110, 31027, 32660, 35834, 55309, 58220, 62054, 66953, 71668, 89585, 110618, 124108, 133906, 155135, 179170, 221236, 267812, 276545, 310270, 334765, 358340, 553090, 620540, 669530, 1106180, 1272107, 1339060, 2544214, 5088428, 6360535, 12721070, 25442140]

約数ペア:

[(1, 25442140), (2, 12721070), (4, 6360535), (5, 5088428), (10, 2544214), (19, 1339060), (20, 1272107), (23, 1106180), (38, 669530), (41, 620540), (46, 553090), (71, 358340), (76, 334765), (82, 310270), (92, 276545), (95, 267812), (115, 221236), (142, 179170), (164, 155135), (190, 133906), (205, 124108), (230, 110618), (284, 89585), (355, 71668), (380, 66953), (410, 62054), (437, 58220), (460, 55309), (710, 35834), (779, 32660), (820, 31027), (874, 29110), (943, 26980), (1349, 18860), (1420, 17917), (1558, 16330), (1633, 15580), (1748, 14555), (1886, 13490), (2185, 11644), (2698, 9430), (2911, 8740), (3116, 8165), (3266, 7790), (3772, 6745), (3895, 6532), (4370, 5822), (4715, 5396)]