61640390

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{409}}^1\times {\mathrm{2153}}^1$

素因数の和:2576

約数の個数: 32

約数和(自身を含む): 127172160

約数和(自身を除く): 65531770

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 409, 818, 2045, 2153, 2863, 4090, 4306, 5726, 10765, 14315, 15071, 21530, 28630, 30142, 75355, 150710, 880577, 1761154, 4402885, 6164039, 8805770, 12328078, 30820195, 61640390]

約数ペア:

[(1, 61640390), (2, 30820195), (5, 12328078), (7, 8805770), (10, 6164039), (14, 4402885), (35, 1761154), (70, 880577), (409, 150710), (818, 75355), (2045, 30142), (2153, 28630), (2863, 21530), (4090, 15071), (4306, 14315), (5726, 10765)]