72642020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{19423}}^1$

素因数の和:19460

約数の個数: 48

約数和(自身を含む): 176214528

約数和(自身を除く): 103572508

約数列:

[1, 2, 4, 5, 10, 11, 17, 20, 22, 34, 44, 55, 68, 85, 110, 170, 187, 220, 340, 374, 748, 935, 1870, 3740, 19423, 38846, 77692, 97115, 194230, 213653, 330191, 388460, 427306, 660382, 854612, 1068265, 1320764, 1650955, 2136530, 3301910, 3632101, 4273060, 6603820, 7264202, 14528404, 18160505, 36321010, 72642020]

約数ペア:

[(1, 72642020), (2, 36321010), (4, 18160505), (5, 14528404), (10, 7264202), (11, 6603820), (17, 4273060), (20, 3632101), (22, 3301910), (34, 2136530), (44, 1650955), (55, 1320764), (68, 1068265), (85, 854612), (110, 660382), (170, 427306), (187, 388460), (220, 330191), (340, 213653), (374, 194230), (748, 97115), (935, 77692), (1870, 38846), (3740, 19423)]