53691625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:131

約数の個数: 64

約数和(自身を含む): 79672320

約数和(自身を除く): 25980695

約数列:

[1, 5, 13, 19, 25, 37, 47, 65, 95, 125, 185, 235, 247, 325, 475, 481, 611, 703, 893, 925, 1175, 1235, 1625, 1739, 2375, 2405, 3055, 3515, 4465, 4625, 5875, 6175, 8695, 9139, 11609, 12025, 15275, 17575, 22325, 22607, 30875, 33041, 43475, 45695, 58045, 60125, 76375, 87875, 111625, 113035, 165205, 217375, 228475, 290225, 429533, 565175, 826025, 1142375, 1451125, 2147665, 2825875, 4130125, 10738325, 53691625]

約数ペア:

[(1, 53691625), (5, 10738325), (13, 4130125), (19, 2825875), (25, 2147665), (37, 1451125), (47, 1142375), (65, 826025), (95, 565175), (125, 429533), (185, 290225), (235, 228475), (247, 217375), (325, 165205), (475, 113035), (481, 111625), (611, 87875), (703, 76375), (893, 60125), (925, 58045), (1175, 45695), (1235, 43475), (1625, 33041), (1739, 30875), (2375, 22607), (2405, 22325), (3055, 17575), (3515, 15275), (4465, 12025), (4625, 11609), (5875, 9139), (6175, 8695)]