164629840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{66383}}^1$

素因数の和:66427

約数の個数: 40

約数和(自身を含む): 395117568

約数和(自身を除く): 230487728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 66383, 132766, 265532, 331915, 531064, 663830, 1062128, 1327660, 2057873, 2655320, 4115746, 5310640, 8231492, 10289365, 16462984, 20578730, 32925968, 41157460, 82314920, 164629840]

約数ペア:

[(1, 164629840), (2, 82314920), (4, 41157460), (5, 32925968), (8, 20578730), (10, 16462984), (16, 10289365), (20, 8231492), (31, 5310640), (40, 4115746), (62, 2655320), (80, 2057873), (124, 1327660), (155, 1062128), (248, 663830), (310, 531064), (496, 331915), (620, 265532), (1240, 132766), (2480, 66383)]