205254725

素因数分解:

$5^2\times {\mathrm{13}}^3\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:187

約数の個数: 48

約数和(自身を含む): 285971280

約数和(自身を除く): 80716555

約数列:

[1, 5, 13, 25, 37, 65, 101, 169, 185, 325, 481, 505, 845, 925, 1313, 2197, 2405, 2525, 3737, 4225, 6253, 6565, 10985, 12025, 17069, 18685, 31265, 32825, 48581, 54925, 81289, 85345, 93425, 156325, 221897, 242905, 406445, 426725, 631553, 1109485, 1214525, 2032225, 3157765, 5547425, 8210189, 15788825, 41050945, 205254725]

約数ペア:

[(1, 205254725), (5, 41050945), (13, 15788825), (25, 8210189), (37, 5547425), (65, 3157765), (101, 2032225), (169, 1214525), (185, 1109485), (325, 631553), (481, 426725), (505, 406445), (845, 242905), (925, 221897), (1313, 156325), (2197, 93425), (2405, 85345), (2525, 81289), (3737, 54925), (4225, 48581), (6253, 32825), (6565, 31265), (10985, 18685), (12025, 17069)]