40800670

素因数分解:

$2^1\times 5^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{197}}^1$

素因数の和:492

約数の個数: 32

約数和(自身を含む): 74844000

約数和(自身を除く): 34043330

約数列:

[1, 2, 5, 10, 139, 149, 197, 278, 298, 394, 695, 745, 985, 1390, 1490, 1970, 20711, 27383, 29353, 41422, 54766, 58706, 103555, 136915, 146765, 207110, 273830, 293530, 4080067, 8160134, 20400335, 40800670]

約数ペア:

[(1, 40800670), (2, 20400335), (5, 8160134), (10, 4080067), (139, 293530), (149, 273830), (197, 207110), (278, 146765), (298, 136915), (394, 103555), (695, 58706), (745, 54766), (985, 41422), (1390, 29353), (1490, 27383), (1970, 20711)]