72351640

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{16007}}^1$

素因数の和:16131

約数の個数: 32

約数和(自身を含む): 164242080

約数和(自身を除く): 91890440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 16007, 32014, 64028, 80035, 128056, 160070, 320140, 640280, 1808791, 3617582, 7235164, 9043955, 14470328, 18087910, 36175820, 72351640]

約数ペア:

[(1, 72351640), (2, 36175820), (4, 18087910), (5, 14470328), (8, 9043955), (10, 7235164), (20, 3617582), (40, 1808791), (113, 640280), (226, 320140), (452, 160070), (565, 128056), (904, 80035), (1130, 64028), (2260, 32014), (4520, 16007)]