89987653225

素因数分解:

$5^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{1979}}^1\times {\mathrm{3301}}^1$

素因数の和:5338

約数の個数: 48

約数和(自身を含む): 121606056000

約数和(自身を除く): 31618402775

約数列:

[1, 5, 19, 25, 29, 95, 145, 475, 551, 725, 1979, 2755, 3301, 9895, 13775, 16505, 37601, 49475, 57391, 62719, 82525, 95729, 188005, 286955, 313595, 478645, 940025, 1090429, 1434775, 1567975, 1818851, 2393225, 5452145, 6532679, 9094255, 27260725, 32663395, 45471275, 124120901, 163316975, 189447691, 620604505, 947238455, 3103022525, 3599506129, 4736192275, 17997530645, 89987653225]

約数ペア:

[(1, 89987653225), (5, 17997530645), (19, 4736192275), (25, 3599506129), (29, 3103022525), (95, 947238455), (145, 620604505), (475, 189447691), (551, 163316975), (725, 124120901), (1979, 45471275), (2755, 32663395), (3301, 27260725), (9895, 9094255), (13775, 6532679), (16505, 5452145), (37601, 2393225), (49475, 1818851), (57391, 1567975), (62719, 1434775), (82525, 1090429), (95729, 940025), (188005, 478645), (286955, 313595)]