26624060

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{157}}^1$

素因数の和:366

約数の個数: 48

約数和(自身を含む): 57600480

約数和(自身を除く): 30976420

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 139, 157, 244, 278, 305, 314, 556, 610, 628, 695, 785, 1220, 1390, 1570, 2780, 3140, 8479, 9577, 16958, 19154, 21823, 33916, 38308, 42395, 43646, 47885, 84790, 87292, 95770, 109115, 169580, 191540, 218230, 436460, 1331203, 2662406, 5324812, 6656015, 13312030, 26624060]

約数ペア:

[(1, 26624060), (2, 13312030), (4, 6656015), (5, 5324812), (10, 2662406), (20, 1331203), (61, 436460), (122, 218230), (139, 191540), (157, 169580), (244, 109115), (278, 95770), (305, 87292), (314, 84790), (556, 47885), (610, 43646), (628, 42395), (695, 38308), (785, 33916), (1220, 21823), (1390, 19154), (1570, 16958), (2780, 9577), (3140, 8479)]