71188720

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{2843}}^1$

素因数の和:3169

約数の個数: 40

約数和(自身を含む): 166100976

約数和(自身を除く): 94912256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 2843, 3130, 5008, 5686, 6260, 11372, 12520, 14215, 22744, 25040, 28430, 45488, 56860, 113720, 227440, 889859, 1779718, 3559436, 4449295, 7118872, 8898590, 14237744, 17797180, 35594360, 71188720]

約数ペア:

[(1, 71188720), (2, 35594360), (4, 17797180), (5, 14237744), (8, 8898590), (10, 7118872), (16, 4449295), (20, 3559436), (40, 1779718), (80, 889859), (313, 227440), (626, 113720), (1252, 56860), (1565, 45488), (2504, 28430), (2843, 25040), (3130, 22744), (5008, 14215), (5686, 12520), (6260, 11372)]