13377640

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{191}}^1$

素因数の和:322

約数の個数: 64

約数和(自身を含む): 32348160

約数和(自身を除く): 18970520

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 103, 136, 170, 191, 206, 340, 382, 412, 515, 680, 764, 824, 955, 1030, 1528, 1751, 1910, 2060, 3247, 3502, 3820, 4120, 6494, 7004, 7640, 8755, 12988, 14008, 16235, 17510, 19673, 25976, 32470, 35020, 39346, 64940, 70040, 78692, 98365, 129880, 157384, 196730, 334441, 393460, 668882, 786920, 1337764, 1672205, 2675528, 3344410, 6688820, 13377640]

約数ペア:

[(1, 13377640), (2, 6688820), (4, 3344410), (5, 2675528), (8, 1672205), (10, 1337764), (17, 786920), (20, 668882), (34, 393460), (40, 334441), (68, 196730), (85, 157384), (103, 129880), (136, 98365), (170, 78692), (191, 70040), (206, 64940), (340, 39346), (382, 35020), (412, 32470), (515, 25976), (680, 19673), (764, 17510), (824, 16235), (955, 14008), (1030, 12988), (1528, 8755), (1751, 7640), (1910, 7004), (2060, 6494), (3247, 4120), (3502, 3820)]