39566540

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{4909}}^1$

素因数の和:4962

約数の個数: 48

約数和(自身を含む): 92386560

約数和(自身を除く): 52820020

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 31, 52, 62, 65, 124, 130, 155, 260, 310, 403, 620, 806, 1612, 2015, 4030, 4909, 8060, 9818, 19636, 24545, 49090, 63817, 98180, 127634, 152179, 255268, 304358, 319085, 608716, 638170, 760895, 1276340, 1521790, 1978327, 3043580, 3956654, 7913308, 9891635, 19783270, 39566540]

約数ペア:

[(1, 39566540), (2, 19783270), (4, 9891635), (5, 7913308), (10, 3956654), (13, 3043580), (20, 1978327), (26, 1521790), (31, 1276340), (52, 760895), (62, 638170), (65, 608716), (124, 319085), (130, 304358), (155, 255268), (260, 152179), (310, 127634), (403, 98180), (620, 63817), (806, 49090), (1612, 24545), (2015, 19636), (4030, 9818), (4909, 8060)]