77397680

素因数分解:

$2^4\times 5^1\times {\mathrm{419}}^1\times {\mathrm{2309}}^1$

素因数の和:2741

約数の個数: 40

約数和(自身を含む): 180457200

約数和(自身を除く): 103059520

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 419, 838, 1676, 2095, 2309, 3352, 4190, 4618, 6704, 8380, 9236, 11545, 16760, 18472, 23090, 33520, 36944, 46180, 92360, 184720, 967471, 1934942, 3869884, 4837355, 7739768, 9674710, 15479536, 19349420, 38698840, 77397680]

約数ペア:

[(1, 77397680), (2, 38698840), (4, 19349420), (5, 15479536), (8, 9674710), (10, 7739768), (16, 4837355), (20, 3869884), (40, 1934942), (80, 967471), (419, 184720), (838, 92360), (1676, 46180), (2095, 36944), (2309, 33520), (3352, 23090), (4190, 18472), (4618, 16760), (6704, 11545), (8380, 9236)]