15778040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23203}}^1$

素因数の和:23231

約数の個数: 32

約数和(自身を含む): 37590480

約数和(自身を除く): 21812440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 23203, 46406, 92812, 116015, 185624, 232030, 394451, 464060, 788902, 928120, 1577804, 1972255, 3155608, 3944510, 7889020, 15778040]

約数ペア:

[(1, 15778040), (2, 7889020), (4, 3944510), (5, 3155608), (8, 1972255), (10, 1577804), (17, 928120), (20, 788902), (34, 464060), (40, 394451), (68, 232030), (85, 185624), (136, 116015), (170, 92812), (340, 46406), (680, 23203)]