4450671920

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{783569}}^1$

素因数の和:783653

約数の個数: 40

約数和(自身を含む): 10493569440

約数和(自身を除く): 6042897520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 783569, 1567138, 3134276, 3917845, 6268552, 7835690, 12537104, 15671380, 31342760, 55633399, 62685520, 111266798, 222533596, 278166995, 445067192, 556333990, 890134384, 1112667980, 2225335960, 4450671920]

約数ペア:

[(1, 4450671920), (2, 2225335960), (4, 1112667980), (5, 890134384), (8, 556333990), (10, 445067192), (16, 278166995), (20, 222533596), (40, 111266798), (71, 62685520), (80, 55633399), (142, 31342760), (284, 15671380), (355, 12537104), (568, 7835690), (710, 6268552), (1136, 3917845), (1420, 3134276), (2840, 1567138), (5680, 783569)]