13265680

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{2099}}^1$

素因数の和:2191

約数の個数: 40

約数和(自身を含む): 31248000

約数和(自身を除く): 17982320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1580, 2099, 3160, 4198, 6320, 8396, 10495, 16792, 20990, 33584, 41980, 83960, 165821, 167920, 331642, 663284, 829105, 1326568, 1658210, 2653136, 3316420, 6632840, 13265680]

約数ペア:

[(1, 13265680), (2, 6632840), (4, 3316420), (5, 2653136), (8, 1658210), (10, 1326568), (16, 829105), (20, 663284), (40, 331642), (79, 167920), (80, 165821), (158, 83960), (316, 41980), (395, 33584), (632, 20990), (790, 16792), (1264, 10495), (1580, 8396), (2099, 6320), (3160, 4198)]