12312560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{11839}}^1$

素因数の和:11865

約数の個数: 40

約数和(自身を含む): 30831360

約数和(自身を除く): 18518800

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 11839, 23678, 47356, 59195, 94712, 118390, 153907, 189424, 236780, 307814, 473560, 615628, 769535, 947120, 1231256, 1539070, 2462512, 3078140, 6156280, 12312560]

約数ペア:

[(1, 12312560), (2, 6156280), (4, 3078140), (5, 2462512), (8, 1539070), (10, 1231256), (13, 947120), (16, 769535), (20, 615628), (26, 473560), (40, 307814), (52, 236780), (65, 189424), (80, 153907), (104, 118390), (130, 94712), (208, 59195), (260, 47356), (520, 23678), (1040, 11839)]