201520040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{296353}}^1$

素因数の和:296381

約数の個数: 32

約数和(自身を含む): 480093480

約数和(自身を除く): 278573440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 296353, 592706, 1185412, 1481765, 2370824, 2963530, 5038001, 5927060, 10076002, 11854120, 20152004, 25190005, 40304008, 50380010, 100760020, 201520040]

約数ペア:

[(1, 201520040), (2, 100760020), (4, 50380010), (5, 40304008), (8, 25190005), (10, 20152004), (17, 11854120), (20, 10076002), (34, 5927060), (40, 5038001), (68, 2963530), (85, 2370824), (136, 1481765), (170, 1185412), (340, 592706), (680, 296353)]