40305020

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{223}}^1\times {\mathrm{1291}}^1$

素因数の和:1530

約数の個数: 48

約数和(自身を含む): 97241088

約数和(自身を除く): 56936068

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 223, 446, 892, 1115, 1291, 1561, 2230, 2582, 3122, 4460, 5164, 6244, 6455, 7805, 9037, 12910, 15610, 18074, 25820, 31220, 36148, 45185, 90370, 180740, 287893, 575786, 1151572, 1439465, 2015251, 2878930, 4030502, 5757860, 8061004, 10076255, 20152510, 40305020]

約数ペア:

[(1, 40305020), (2, 20152510), (4, 10076255), (5, 8061004), (7, 5757860), (10, 4030502), (14, 2878930), (20, 2015251), (28, 1439465), (35, 1151572), (70, 575786), (140, 287893), (223, 180740), (446, 90370), (892, 45185), (1115, 36148), (1291, 31220), (1561, 25820), (2230, 18074), (2582, 15610), (3122, 12910), (4460, 9037), (5164, 7805), (6244, 6455)]