31908320

素因数分解:

$2^5\times 5^1\times {\mathrm{17}}^1\times {\mathrm{11731}}^1$

素因数の和:11763

約数の個数: 48

約数和(自身を含む): 79824528

約数和(自身を除く): 47916208

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 68, 80, 85, 136, 160, 170, 272, 340, 544, 680, 1360, 2720, 11731, 23462, 46924, 58655, 93848, 117310, 187696, 199427, 234620, 375392, 398854, 469240, 797708, 938480, 997135, 1595416, 1876960, 1994270, 3190832, 3988540, 6381664, 7977080, 15954160, 31908320]

約数ペア:

[(1, 31908320), (2, 15954160), (4, 7977080), (5, 6381664), (8, 3988540), (10, 3190832), (16, 1994270), (17, 1876960), (20, 1595416), (32, 997135), (34, 938480), (40, 797708), (68, 469240), (80, 398854), (85, 375392), (136, 234620), (160, 199427), (170, 187696), (272, 117310), (340, 93848), (544, 58655), (680, 46924), (1360, 23462), (2720, 11731)]