72126440

素因数分解:

$2^3\times 5^1\times {\mathrm{569}}^1\times {\mathrm{3169}}^1$

素因数の和:3749

約数の個数: 32

約数和(自身を含む): 162621000

約数和(自身を除く): 90494560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 569, 1138, 2276, 2845, 3169, 4552, 5690, 6338, 11380, 12676, 15845, 22760, 25352, 31690, 63380, 126760, 1803161, 3606322, 7212644, 9015805, 14425288, 18031610, 36063220, 72126440]

約数ペア:

[(1, 72126440), (2, 36063220), (4, 18031610), (5, 14425288), (8, 9015805), (10, 7212644), (20, 3606322), (40, 1803161), (569, 126760), (1138, 63380), (2276, 31690), (2845, 25352), (3169, 22760), (4552, 15845), (5690, 12676), (6338, 11380)]