90558320

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{66587}}^1$

素因数の和:66617

約数の個数: 40

約数和(自身を含む): 222936624

約数和(自身を除く): 132378304

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 66587, 133174, 266348, 332935, 532696, 665870, 1065392, 1131979, 1331740, 2263958, 2663480, 4527916, 5326960, 5659895, 9055832, 11319790, 18111664, 22639580, 45279160, 90558320]

約数ペア:

[(1, 90558320), (2, 45279160), (4, 22639580), (5, 18111664), (8, 11319790), (10, 9055832), (16, 5659895), (17, 5326960), (20, 4527916), (34, 2663480), (40, 2263958), (68, 1331740), (80, 1131979), (85, 1065392), (136, 665870), (170, 532696), (272, 332935), (340, 266348), (680, 133174), (1360, 66587)]