49960625

素因数分解:

$5^4\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 60

約数和(自身を含む): 75463344

約数和(自身を除く): 25502719

約数列:

[1, 5, 11, 13, 25, 43, 55, 65, 125, 143, 169, 215, 275, 325, 473, 559, 625, 715, 845, 1075, 1375, 1625, 1859, 2365, 2795, 3575, 4225, 5375, 6149, 6875, 7267, 8125, 9295, 11825, 13975, 17875, 21125, 26875, 30745, 36335, 46475, 59125, 69875, 79937, 89375, 105625, 153725, 181675, 232375, 295625, 349375, 399685, 768625, 908375, 1161875, 1998425, 3843125, 4541875, 9992125, 49960625]

約数ペア:

[(1, 49960625), (5, 9992125), (11, 4541875), (13, 3843125), (25, 1998425), (43, 1161875), (55, 908375), (65, 768625), (125, 399685), (143, 349375), (169, 295625), (215, 232375), (275, 181675), (325, 153725), (473, 105625), (559, 89375), (625, 79937), (715, 69875), (845, 59125), (1075, 46475), (1375, 36335), (1625, 30745), (1859, 26875), (2365, 21125), (2795, 17875), (3575, 13975), (4225, 11825), (5375, 9295), (6149, 8125), (6875, 7267)]