64552540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{8009}}^1$

素因数の和:8062

約数の個数: 48

約数和(自身を含む): 150716160

約数和(自身を除く): 86163620

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 8009, 8060, 16018, 32036, 40045, 80090, 104117, 160180, 208234, 248279, 416468, 496558, 520585, 993116, 1041170, 1241395, 2082340, 2482790, 3227627, 4965580, 6455254, 12910508, 16138135, 32276270, 64552540]

約数ペア:

[(1, 64552540), (2, 32276270), (4, 16138135), (5, 12910508), (10, 6455254), (13, 4965580), (20, 3227627), (26, 2482790), (31, 2082340), (52, 1241395), (62, 1041170), (65, 993116), (124, 520585), (130, 496558), (155, 416468), (260, 248279), (310, 208234), (403, 160180), (620, 104117), (806, 80090), (1612, 40045), (2015, 32036), (4030, 16018), (8009, 8060)]