64436840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{4273}}^1$

素因数の和:4326

約数の個数: 64

約数和(自身を含む): 161557200

約数和(自身を除く): 97120360

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 29, 40, 52, 58, 65, 104, 116, 130, 145, 232, 260, 290, 377, 520, 580, 754, 1160, 1508, 1885, 3016, 3770, 4273, 7540, 8546, 15080, 17092, 21365, 34184, 42730, 55549, 85460, 111098, 123917, 170920, 222196, 247834, 277745, 444392, 495668, 555490, 619585, 991336, 1110980, 1239170, 1610921, 2221960, 2478340, 3221842, 4956680, 6443684, 8054605, 12887368, 16109210, 32218420, 64436840]

約数ペア:

[(1, 64436840), (2, 32218420), (4, 16109210), (5, 12887368), (8, 8054605), (10, 6443684), (13, 4956680), (20, 3221842), (26, 2478340), (29, 2221960), (40, 1610921), (52, 1239170), (58, 1110980), (65, 991336), (104, 619585), (116, 555490), (130, 495668), (145, 444392), (232, 277745), (260, 247834), (290, 222196), (377, 170920), (520, 123917), (580, 111098), (754, 85460), (1160, 55549), (1508, 42730), (1885, 34184), (3016, 21365), (3770, 17092), (4273, 15080), (7540, 8546)]