20682385600

素因数分解:

$2^6\times 5^2\times {\mathrm{1487}}^1\times {\mathrm{8693}}^1$

素因数の和:10202

約数の個数: 84

約数和(自身を含む): 50931677664

約数和(自身を除く): 30249292064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 160, 200, 320, 400, 800, 1487, 1600, 2974, 5948, 7435, 8693, 11896, 14870, 17386, 23792, 29740, 34772, 37175, 43465, 47584, 59480, 69544, 74350, 86930, 95168, 118960, 139088, 148700, 173860, 217325, 237920, 278176, 297400, 347720, 434650, 475840, 556352, 594800, 695440, 869300, 1189600, 1390880, 1738600, 2379200, 2781760, 3477200, 6954400, 12926491, 13908800, 25852982, 51705964, 64632455, 103411928, 129264910, 206823856, 258529820, 323162275, 413647712, 517059640, 646324550, 827295424, 1034119280, 1292649100, 2068238560, 2585298200, 4136477120, 5170596400, 10341192800, 20682385600]

約数ペア:

[(1, 20682385600), (2, 10341192800), (4, 5170596400), (5, 4136477120), (8, 2585298200), (10, 2068238560), (16, 1292649100), (20, 1034119280), (25, 827295424), (32, 646324550), (40, 517059640), (50, 413647712), (64, 323162275), (80, 258529820), (100, 206823856), (160, 129264910), (200, 103411928), (320, 64632455), (400, 51705964), (800, 25852982), (1487, 13908800), (1600, 12926491), (2974, 6954400), (5948, 3477200), (7435, 2781760), (8693, 2379200), (11896, 1738600), (14870, 1390880), (17386, 1189600), (23792, 869300), (29740, 695440), (34772, 594800), (37175, 556352), (43465, 475840), (47584, 434650), (59480, 347720), (69544, 297400), (74350, 278176), (86930, 237920), (95168, 217325), (118960, 173860), (139088, 148700)]