72712250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^2\times {\mathrm{1721}}^1$

素因数の和:1764

約数の個数: 48

約数和(自身を含む): 147478968

約数和(自身を除く): 74766718

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 169, 250, 325, 338, 650, 845, 1625, 1690, 1721, 3250, 3442, 4225, 8450, 8605, 17210, 21125, 22373, 42250, 43025, 44746, 86050, 111865, 215125, 223730, 290849, 430250, 559325, 581698, 1118650, 1454245, 2796625, 2908490, 5593250, 7271225, 14542450, 36356125, 72712250]

約数ペア:

[(1, 72712250), (2, 36356125), (5, 14542450), (10, 7271225), (13, 5593250), (25, 2908490), (26, 2796625), (50, 1454245), (65, 1118650), (125, 581698), (130, 559325), (169, 430250), (250, 290849), (325, 223730), (338, 215125), (650, 111865), (845, 86050), (1625, 44746), (1690, 43025), (1721, 42250), (3250, 22373), (3442, 21125), (4225, 17210), (8450, 8605)]