72943100

素因数分解:

$2^2\times 5^2\times {\mathrm{41}}^1\times {\mathrm{17791}}^1$

素因数の和:17846

約数の個数: 36

約数和(自身を含む): 162156288

約数和(自身を除く): 89213188

約数列:

[1, 2, 4, 5, 10, 20, 25, 41, 50, 82, 100, 164, 205, 410, 820, 1025, 2050, 4100, 17791, 35582, 71164, 88955, 177910, 355820, 444775, 729431, 889550, 1458862, 1779100, 2917724, 3647155, 7294310, 14588620, 18235775, 36471550, 72943100]

約数ペア:

[(1, 72943100), (2, 36471550), (4, 18235775), (5, 14588620), (10, 7294310), (20, 3647155), (25, 2917724), (41, 1779100), (50, 1458862), (82, 889550), (100, 729431), (164, 444775), (205, 355820), (410, 177910), (820, 88955), (1025, 71164), (2050, 35582), (4100, 17791)]