53468680

素因数分解:

$2^3\times 5^1\times {\mathrm{67}}^1\times {\mathrm{71}}^1\times {\mathrm{281}}^1$

素因数の和:430

約数の個数: 64

約数和(自身を含む): 124260480

約数和(自身を除く): 70791800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 67, 71, 134, 142, 268, 281, 284, 335, 355, 536, 562, 568, 670, 710, 1124, 1340, 1405, 1420, 2248, 2680, 2810, 2840, 4757, 5620, 9514, 11240, 18827, 19028, 19951, 23785, 37654, 38056, 39902, 47570, 75308, 79804, 94135, 95140, 99755, 150616, 159608, 188270, 190280, 199510, 376540, 399020, 753080, 798040, 1336717, 2673434, 5346868, 6683585, 10693736, 13367170, 26734340, 53468680]

約数ペア:

[(1, 53468680), (2, 26734340), (4, 13367170), (5, 10693736), (8, 6683585), (10, 5346868), (20, 2673434), (40, 1336717), (67, 798040), (71, 753080), (134, 399020), (142, 376540), (268, 199510), (281, 190280), (284, 188270), (335, 159608), (355, 150616), (536, 99755), (562, 95140), (568, 94135), (670, 79804), (710, 75308), (1124, 47570), (1340, 39902), (1405, 38056), (1420, 37654), (2248, 23785), (2680, 19951), (2810, 19028), (2840, 18827), (4757, 11240), (5620, 9514)]