65338625

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{61}}^1$

素因数の和:147

約数の個数: 64

約数和(自身を含む): 97493760

約数和(自身を除く): 32155135

約数列:

[1, 5, 11, 19, 25, 41, 55, 61, 95, 125, 205, 209, 275, 305, 451, 475, 671, 779, 1025, 1045, 1159, 1375, 1525, 2255, 2375, 2501, 3355, 3895, 5125, 5225, 5795, 7625, 8569, 11275, 12505, 12749, 16775, 19475, 26125, 27511, 28975, 42845, 47519, 56375, 62525, 63745, 83875, 97375, 137555, 144875, 214225, 237595, 312625, 318725, 522709, 687775, 1071125, 1187975, 1593625, 2613545, 3438875, 5939875, 13067725, 65338625]

約数ペア:

[(1, 65338625), (5, 13067725), (11, 5939875), (19, 3438875), (25, 2613545), (41, 1593625), (55, 1187975), (61, 1071125), (95, 687775), (125, 522709), (205, 318725), (209, 312625), (275, 237595), (305, 214225), (451, 144875), (475, 137555), (671, 97375), (779, 83875), (1025, 63745), (1045, 62525), (1159, 56375), (1375, 47519), (1525, 42845), (2255, 28975), (2375, 27511), (2501, 26125), (3355, 19475), (3895, 16775), (5125, 12749), (5225, 12505), (5795, 11275), (7625, 8569)]