13398800

素因数分解:

$2^4\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1$

素因数の和:121

約数の個数: 120

約数和(自身を含む): 35518560

約数和(自身を除く): 22119760

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 38, 40, 41, 43, 50, 76, 80, 82, 86, 95, 100, 152, 164, 172, 190, 200, 205, 215, 304, 328, 344, 380, 400, 410, 430, 475, 656, 688, 760, 779, 817, 820, 860, 950, 1025, 1075, 1520, 1558, 1634, 1640, 1720, 1763, 1900, 2050, 2150, 3116, 3268, 3280, 3440, 3526, 3800, 3895, 4085, 4100, 4300, 6232, 6536, 7052, 7600, 7790, 8170, 8200, 8600, 8815, 12464, 13072, 14104, 15580, 16340, 16400, 17200, 17630, 19475, 20425, 28208, 31160, 32680, 33497, 35260, 38950, 40850, 44075, 62320, 65360, 66994, 70520, 77900, 81700, 88150, 133988, 141040, 155800, 163400, 167485, 176300, 267976, 311600, 326800, 334970, 352600, 535952, 669940, 705200, 837425, 1339880, 1674850, 2679760, 3349700, 6699400, 13398800]

約数ペア:

[(1, 13398800), (2, 6699400), (4, 3349700), (5, 2679760), (8, 1674850), (10, 1339880), (16, 837425), (19, 705200), (20, 669940), (25, 535952), (38, 352600), (40, 334970), (41, 326800), (43, 311600), (50, 267976), (76, 176300), (80, 167485), (82, 163400), (86, 155800), (95, 141040), (100, 133988), (152, 88150), (164, 81700), (172, 77900), (190, 70520), (200, 66994), (205, 65360), (215, 62320), (304, 44075), (328, 40850), (344, 38950), (380, 35260), (400, 33497), (410, 32680), (430, 31160), (475, 28208), (656, 20425), (688, 19475), (760, 17630), (779, 17200), (817, 16400), (820, 16340), (860, 15580), (950, 14104), (1025, 13072), (1075, 12464), (1520, 8815), (1558, 8600), (1634, 8200), (1640, 8170), (1720, 7790), (1763, 7600), (1900, 7052), (2050, 6536), (2150, 6232), (3116, 4300), (3268, 4100), (3280, 4085), (3440, 3895), (3526, 3800)]