40704560

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{39139}}^1$

素因数の和:39165

約数の個数: 40

約数和(自身を含む): 101920560

約数和(自身を除く): 61216000

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 39139, 78278, 156556, 195695, 313112, 391390, 508807, 626224, 782780, 1017614, 1565560, 2035228, 2544035, 3131120, 4070456, 5088070, 8140912, 10176140, 20352280, 40704560]

約数ペア:

[(1, 40704560), (2, 20352280), (4, 10176140), (5, 8140912), (8, 5088070), (10, 4070456), (13, 3131120), (16, 2544035), (20, 2035228), (26, 1565560), (40, 1017614), (52, 782780), (65, 626224), (80, 508807), (104, 391390), (130, 313112), (208, 195695), (260, 156556), (520, 78278), (1040, 39139)]