26284900

素因数分解:

$2^2\times 5^2\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1$

素因数の和:245

約数の個数: 72

約数和(自身を含む): 60273920

約数和(自身を除く): 33989020

約数列:

[1, 2, 4, 5, 10, 20, 25, 31, 50, 61, 62, 100, 122, 124, 139, 155, 244, 278, 305, 310, 556, 610, 620, 695, 775, 1220, 1390, 1525, 1550, 1891, 2780, 3050, 3100, 3475, 3782, 4309, 6100, 6950, 7564, 8479, 8618, 9455, 13900, 16958, 17236, 18910, 21545, 33916, 37820, 42395, 43090, 47275, 84790, 86180, 94550, 107725, 169580, 189100, 211975, 215450, 262849, 423950, 430900, 525698, 847900, 1051396, 1314245, 2628490, 5256980, 6571225, 13142450, 26284900]

約数ペア:

[(1, 26284900), (2, 13142450), (4, 6571225), (5, 5256980), (10, 2628490), (20, 1314245), (25, 1051396), (31, 847900), (50, 525698), (61, 430900), (62, 423950), (100, 262849), (122, 215450), (124, 211975), (139, 189100), (155, 169580), (244, 107725), (278, 94550), (305, 86180), (310, 84790), (556, 47275), (610, 43090), (620, 42395), (695, 37820), (775, 33916), (1220, 21545), (1390, 18910), (1525, 17236), (1550, 16958), (1891, 13900), (2780, 9455), (3050, 8618), (3100, 8479), (3475, 7564), (3782, 6950), (4309, 6100)]