71145680

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{52313}}^1$

素因数の和:52343

約数の個数: 40

約数和(自身を含む): 175147272

約数和(自身を除く): 104001592

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 52313, 104626, 209252, 261565, 418504, 523130, 837008, 889321, 1046260, 1778642, 2092520, 3557284, 4185040, 4446605, 7114568, 8893210, 14229136, 17786420, 35572840, 71145680]

約数ペア:

[(1, 71145680), (2, 35572840), (4, 17786420), (5, 14229136), (8, 8893210), (10, 7114568), (16, 4446605), (17, 4185040), (20, 3557284), (34, 2092520), (40, 1778642), (68, 1046260), (80, 889321), (85, 837008), (136, 523130), (170, 418504), (272, 261565), (340, 209252), (680, 104626), (1360, 52313)]