72968080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53653}}^1$

素因数の和:53683

約数の個数: 40

約数和(自身を含む): 179633592

約数和(自身を除く): 106665512

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 53653, 107306, 214612, 268265, 429224, 536530, 858448, 912101, 1073060, 1824202, 2146120, 3648404, 4292240, 4560505, 7296808, 9121010, 14593616, 18242020, 36484040, 72968080]

約数ペア:

[(1, 72968080), (2, 36484040), (4, 18242020), (5, 14593616), (8, 9121010), (10, 7296808), (16, 4560505), (17, 4292240), (20, 3648404), (34, 2146120), (40, 1824202), (68, 1073060), (80, 912101), (85, 858448), (136, 536530), (170, 429224), (272, 268265), (340, 214612), (680, 107306), (1360, 53653)]