144560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{139}}^1$

素因数の和:165

約数の個数: 40

約数和(自身を含む): 364560

約数和(自身を除く): 220000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 139, 208, 260, 278, 520, 556, 695, 1040, 1112, 1390, 1807, 2224, 2780, 3614, 5560, 7228, 9035, 11120, 14456, 18070, 28912, 36140, 72280, 144560]

約数ペア:

[(1, 144560), (2, 72280), (4, 36140), (5, 28912), (8, 18070), (10, 14456), (13, 11120), (16, 9035), (20, 7228), (26, 5560), (40, 3614), (52, 2780), (65, 2224), (80, 1807), (104, 1390), (130, 1112), (139, 1040), (208, 695), (260, 556), (278, 520)]