42161080

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{911}}^1$

素因数の和:1024

約数の個数: 64

約数和(自身を含む): 103420800

約数和(自身を除く): 61259720

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 89, 104, 130, 178, 260, 356, 445, 520, 712, 890, 911, 1157, 1780, 1822, 2314, 3560, 3644, 4555, 4628, 5785, 7288, 9110, 9256, 11570, 11843, 18220, 23140, 23686, 36440, 46280, 47372, 59215, 81079, 94744, 118430, 162158, 236860, 324316, 405395, 473720, 648632, 810790, 1054027, 1621580, 2108054, 3243160, 4216108, 5270135, 8432216, 10540270, 21080540, 42161080]

約数ペア:

[(1, 42161080), (2, 21080540), (4, 10540270), (5, 8432216), (8, 5270135), (10, 4216108), (13, 3243160), (20, 2108054), (26, 1621580), (40, 1054027), (52, 810790), (65, 648632), (89, 473720), (104, 405395), (130, 324316), (178, 236860), (260, 162158), (356, 118430), (445, 94744), (520, 81079), (712, 59215), (890, 47372), (911, 46280), (1157, 36440), (1780, 23686), (1822, 23140), (2314, 18220), (3560, 11843), (3644, 11570), (4555, 9256), (4628, 9110), (5785, 7288)]