3979956080

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{1604821}}^1$

素因数の和:1604865

約数の個数: 40

約数和(自身を含む): 9551900544

約数和(自身を除く): 5571944464

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 1604821, 3209642, 6419284, 8024105, 12838568, 16048210, 25677136, 32096420, 49749451, 64192840, 99498902, 128385680, 198997804, 248747255, 397995608, 497494510, 795991216, 994989020, 1989978040, 3979956080]

約数ペア:

[(1, 3979956080), (2, 1989978040), (4, 994989020), (5, 795991216), (8, 497494510), (10, 397995608), (16, 248747255), (20, 198997804), (31, 128385680), (40, 99498902), (62, 64192840), (80, 49749451), (124, 32096420), (155, 25677136), (248, 16048210), (310, 12838568), (496, 8024105), (620, 6419284), (1240, 3209642), (2480, 1604821)]