64282640

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{15161}}^1$

素因数の和:15227

約数の個数: 40

約数和(自身を含む): 152287128

約数和(自身を除く): 88004488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 15161, 30322, 60644, 75805, 121288, 151610, 242576, 303220, 606440, 803533, 1212880, 1607066, 3214132, 4017665, 6428264, 8035330, 12856528, 16070660, 32141320, 64282640]

約数ペア:

[(1, 64282640), (2, 32141320), (4, 16070660), (5, 12856528), (8, 8035330), (10, 6428264), (16, 4017665), (20, 3214132), (40, 1607066), (53, 1212880), (80, 803533), (106, 606440), (212, 303220), (265, 242576), (424, 151610), (530, 121288), (848, 75805), (1060, 60644), (2120, 30322), (4240, 15161)]