18157090040

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{26701603}}^1$

素因数の和:26701631

約数の個数: 32

約数和(自身を含む): 43256598480

約数和(自身を除く): 25099508440

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 26701603, 53403206, 106806412, 133508015, 213612824, 267016030, 453927251, 534032060, 907854502, 1068064120, 1815709004, 2269636255, 3631418008, 4539272510, 9078545020, 18157090040]

約数ペア:

[(1, 18157090040), (2, 9078545020), (4, 4539272510), (5, 3631418008), (8, 2269636255), (10, 1815709004), (17, 1068064120), (20, 907854502), (34, 534032060), (40, 453927251), (68, 267016030), (85, 213612824), (136, 133508015), (170, 106806412), (340, 53403206), (680, 26701603)]