64364680

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{51907}}^1$

素因数の和:51949

約数の個数: 32

約数和(自身を含む): 149495040

約数和(自身を除く): 85130360

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 124, 155, 248, 310, 620, 1240, 51907, 103814, 207628, 259535, 415256, 519070, 1038140, 1609117, 2076280, 3218234, 6436468, 8045585, 12872936, 16091170, 32182340, 64364680]

約数ペア:

[(1, 64364680), (2, 32182340), (4, 16091170), (5, 12872936), (8, 8045585), (10, 6436468), (20, 3218234), (31, 2076280), (40, 1609117), (62, 1038140), (124, 519070), (155, 415256), (248, 259535), (310, 207628), (620, 103814), (1240, 51907)]