40557860

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{271}}^1\times {\mathrm{1069}}^1$

素因数の和:1356

約数の個数: 48

約数和(自身を含む): 97789440

約数和(自身を除く): 57231580

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 70, 140, 271, 542, 1069, 1084, 1355, 1897, 2138, 2710, 3794, 4276, 5345, 5420, 7483, 7588, 9485, 10690, 14966, 18970, 21380, 29932, 37415, 37940, 74830, 149660, 289699, 579398, 1158796, 1448495, 2027893, 2896990, 4055786, 5793980, 8111572, 10139465, 20278930, 40557860]

約数ペア:

[(1, 40557860), (2, 20278930), (4, 10139465), (5, 8111572), (7, 5793980), (10, 4055786), (14, 2896990), (20, 2027893), (28, 1448495), (35, 1158796), (70, 579398), (140, 289699), (271, 149660), (542, 74830), (1069, 37940), (1084, 37415), (1355, 29932), (1897, 21380), (2138, 18970), (2710, 14966), (3794, 10690), (4276, 9485), (5345, 7588), (5420, 7483)]