25844710

素因数分解:

$2^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:576

約数の個数: 32

約数和(自身を含む): 47822400

約数和(自身を除く): 21977690

約数列:

[1, 2, 5, 10, 71, 89, 142, 178, 355, 409, 445, 710, 818, 890, 2045, 4090, 6319, 12638, 29039, 31595, 36401, 58078, 63190, 72802, 145195, 182005, 290390, 364010, 2584471, 5168942, 12922355, 25844710]

約数ペア:

[(1, 25844710), (2, 12922355), (5, 5168942), (10, 2584471), (71, 364010), (89, 290390), (142, 182005), (178, 145195), (355, 72802), (409, 63190), (445, 58078), (710, 36401), (818, 31595), (890, 29039), (2045, 12638), (4090, 6319)]