168101840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{67783}}^1$

素因数の和:67827

約数の個数: 40

約数和(自身を含む): 403450368

約数和(自身を除く): 235348528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 67783, 135566, 271132, 338915, 542264, 677830, 1084528, 1355660, 2101273, 2711320, 4202546, 5422640, 8405092, 10506365, 16810184, 21012730, 33620368, 42025460, 84050920, 168101840]

約数ペア:

[(1, 168101840), (2, 84050920), (4, 42025460), (5, 33620368), (8, 21012730), (10, 16810184), (16, 10506365), (20, 8405092), (31, 5422640), (40, 4202546), (62, 2711320), (80, 2101273), (124, 1355660), (155, 1084528), (248, 677830), (310, 542264), (496, 338915), (620, 271132), (1240, 135566), (2480, 67783)]