5326420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:133

約数の個数: 72

約数和(自身を含む): 12870144

約数和(自身を除く): 7543724

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 31, 44, 55, 62, 71, 110, 121, 124, 142, 155, 220, 242, 284, 310, 341, 355, 484, 605, 620, 682, 710, 781, 1210, 1364, 1420, 1562, 1705, 2201, 2420, 3124, 3410, 3751, 3905, 4402, 6820, 7502, 7810, 8591, 8804, 11005, 15004, 15620, 17182, 18755, 22010, 24211, 34364, 37510, 42955, 44020, 48422, 75020, 85910, 96844, 121055, 171820, 242110, 266321, 484220, 532642, 1065284, 1331605, 2663210, 5326420]

約数ペア:

[(1, 5326420), (2, 2663210), (4, 1331605), (5, 1065284), (10, 532642), (11, 484220), (20, 266321), (22, 242110), (31, 171820), (44, 121055), (55, 96844), (62, 85910), (71, 75020), (110, 48422), (121, 44020), (124, 42955), (142, 37510), (155, 34364), (220, 24211), (242, 22010), (284, 18755), (310, 17182), (341, 15620), (355, 15004), (484, 11005), (605, 8804), (620, 8591), (682, 7810), (710, 7502), (781, 6820), (1210, 4402), (1364, 3905), (1420, 3751), (1562, 3410), (1705, 3124), (2201, 2420)]