81599375

素因数分解:

$5^4\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{83}}^1$

素因数の和:138

約数の個数: 60

約数和(自身を含む): 122154648

約数和(自身を除く): 40555273

約数列:

[1, 5, 11, 13, 25, 55, 65, 83, 121, 125, 143, 275, 325, 415, 605, 625, 715, 913, 1079, 1375, 1573, 1625, 2075, 3025, 3575, 4565, 5395, 6875, 7865, 8125, 10043, 10375, 11869, 15125, 17875, 22825, 26975, 39325, 50215, 51875, 59345, 75625, 89375, 114125, 130559, 134875, 196625, 251075, 296725, 570625, 652795, 674375, 983125, 1255375, 1483625, 3263975, 6276875, 7418125, 16319875, 81599375]

約数ペア:

[(1, 81599375), (5, 16319875), (11, 7418125), (13, 6276875), (25, 3263975), (55, 1483625), (65, 1255375), (83, 983125), (121, 674375), (125, 652795), (143, 570625), (275, 296725), (325, 251075), (415, 196625), (605, 134875), (625, 130559), (715, 114125), (913, 89375), (1079, 75625), (1375, 59345), (1573, 51875), (1625, 50215), (2075, 39325), (3025, 26975), (3575, 22825), (4565, 17875), (5395, 15125), (6875, 11869), (7865, 10375), (8125, 10043)]