12940540

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{10607}}^1$

素因数の和:10677

約数の個数: 24

約数和(自身を含む): 27623232

約数和(自身を除く): 14682692

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 10607, 21214, 42428, 53035, 106070, 212140, 647027, 1294054, 2588108, 3235135, 6470270, 12940540]

約数ペア:

[(1, 12940540), (2, 6470270), (4, 3235135), (5, 2588108), (10, 1294054), (20, 647027), (61, 212140), (122, 106070), (244, 53035), (305, 42428), (610, 21214), (1220, 10607)]