72080

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1$

素因数の和:83

約数の個数: 40

約数和(自身を含む): 180792

約数和(自身を除く): 108712

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 53, 68, 80, 85, 106, 136, 170, 212, 265, 272, 340, 424, 530, 680, 848, 901, 1060, 1360, 1802, 2120, 3604, 4240, 4505, 7208, 9010, 14416, 18020, 36040, 72080]

約数ペア:

[(1, 72080), (2, 36040), (4, 18020), (5, 14416), (8, 9010), (10, 7208), (16, 4505), (17, 4240), (20, 3604), (34, 2120), (40, 1802), (53, 1360), (68, 1060), (80, 901), (85, 848), (106, 680), (136, 530), (170, 424), (212, 340), (265, 272)]