12637840

素因数分解:

$2^4\times 5^1\times {\mathrm{41}}^1\times {\mathrm{3853}}^1$

素因数の和:3907

約数の個数: 40

約数和(自身を含む): 30107448

約数和(自身を除く): 17469608

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 41, 80, 82, 164, 205, 328, 410, 656, 820, 1640, 3280, 3853, 7706, 15412, 19265, 30824, 38530, 61648, 77060, 154120, 157973, 308240, 315946, 631892, 789865, 1263784, 1579730, 2527568, 3159460, 6318920, 12637840]

約数ペア:

[(1, 12637840), (2, 6318920), (4, 3159460), (5, 2527568), (8, 1579730), (10, 1263784), (16, 789865), (20, 631892), (40, 315946), (41, 308240), (80, 157973), (82, 154120), (164, 77060), (205, 61648), (328, 38530), (410, 30824), (656, 19265), (820, 15412), (1640, 7706), (3280, 3853)]