61904375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{401}}^1$

素因数の和:453

約数の個数: 40

約数和(自身を含む): 87909360

約数和(自身を除く): 26004985

約数列:

[1, 5, 13, 19, 25, 65, 95, 125, 247, 325, 401, 475, 625, 1235, 1625, 2005, 2375, 5213, 6175, 7619, 8125, 10025, 11875, 26065, 30875, 38095, 50125, 99047, 130325, 154375, 190475, 250625, 495235, 651625, 952375, 2476175, 3258125, 4761875, 12380875, 61904375]

約数ペア:

[(1, 61904375), (5, 12380875), (13, 4761875), (19, 3258125), (25, 2476175), (65, 952375), (95, 651625), (125, 495235), (247, 250625), (325, 190475), (401, 154375), (475, 130325), (625, 99047), (1235, 50125), (1625, 38095), (2005, 30875), (2375, 26065), (5213, 11875), (6175, 10025), (7619, 8125)]