40191320

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{77291}}^1$

素因数の和:77315

約数の個数: 32

約数和(自身を含む): 97387920

約数和(自身を除く): 57196600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 77291, 154582, 309164, 386455, 618328, 772910, 1004783, 1545820, 2009566, 3091640, 4019132, 5023915, 8038264, 10047830, 20095660, 40191320]

約数ペア:

[(1, 40191320), (2, 20095660), (4, 10047830), (5, 8038264), (8, 5023915), (10, 4019132), (13, 3091640), (20, 2009566), (26, 1545820), (40, 1004783), (52, 772910), (65, 618328), (104, 386455), (130, 309164), (260, 154582), (520, 77291)]