69119375

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{181}}^1$

素因数の和:261

約数の個数: 40

約数和(自身を含む): 95519424

約数和(自身を除く): 26400049

約数列:

[1, 5, 13, 25, 47, 65, 125, 181, 235, 325, 611, 625, 905, 1175, 1625, 2353, 3055, 4525, 5875, 8125, 8507, 11765, 15275, 22625, 29375, 42535, 58825, 76375, 110591, 113125, 212675, 294125, 381875, 552955, 1063375, 1470625, 2764775, 5316875, 13823875, 69119375]

約数ペア:

[(1, 69119375), (5, 13823875), (13, 5316875), (25, 2764775), (47, 1470625), (65, 1063375), (125, 552955), (181, 381875), (235, 294125), (325, 212675), (611, 113125), (625, 110591), (905, 76375), (1175, 58825), (1625, 42535), (2353, 29375), (3055, 22625), (4525, 15275), (5875, 11765), (8125, 8507)]