71779480

素因数分解:

$2^3\times 5^1\times {\mathrm{941}}^1\times {\mathrm{1907}}^1$

素因数の和:2859

約数の個数: 32

約数和(自身を含む): 161760240

約数和(自身を除く): 89980760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 941, 1882, 1907, 3764, 3814, 4705, 7528, 7628, 9410, 9535, 15256, 18820, 19070, 37640, 38140, 76280, 1794487, 3588974, 7177948, 8972435, 14355896, 17944870, 35889740, 71779480]

約数ペア:

[(1, 71779480), (2, 35889740), (4, 17944870), (5, 14355896), (8, 8972435), (10, 7177948), (20, 3588974), (40, 1794487), (941, 76280), (1882, 38140), (1907, 37640), (3764, 19070), (3814, 18820), (4705, 15256), (7528, 9535), (7628, 9410)]