448575140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{40123}}^1$

素因数の和:40188

約数の個数: 48

約数和(自身を含む): 1038088128

約数和(自身を除く): 589512988

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 43, 52, 65, 86, 130, 172, 215, 260, 430, 559, 860, 1118, 2236, 2795, 5590, 11180, 40123, 80246, 160492, 200615, 401230, 521599, 802460, 1043198, 1725289, 2086396, 2607995, 3450578, 5215990, 6901156, 8626445, 10431980, 17252890, 22428757, 34505780, 44857514, 89715028, 112143785, 224287570, 448575140]

約数ペア:

[(1, 448575140), (2, 224287570), (4, 112143785), (5, 89715028), (10, 44857514), (13, 34505780), (20, 22428757), (26, 17252890), (43, 10431980), (52, 8626445), (65, 6901156), (86, 5215990), (130, 3450578), (172, 2607995), (215, 2086396), (260, 1725289), (430, 1043198), (559, 802460), (860, 521599), (1118, 401230), (2236, 200615), (2795, 160492), (5590, 80246), (11180, 40123)]