40074940

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1\times {\mathrm{593}}^1$

素因数の和:742

約数の個数: 48

約数和(自身を含む): 87816960

約数和(自身を除く): 47742020

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 109, 124, 155, 218, 310, 436, 545, 593, 620, 1090, 1186, 2180, 2372, 2965, 3379, 5930, 6758, 11860, 13516, 16895, 18383, 33790, 36766, 64637, 67580, 73532, 91915, 129274, 183830, 258548, 323185, 367660, 646370, 1292740, 2003747, 4007494, 8014988, 10018735, 20037470, 40074940]

約数ペア:

[(1, 40074940), (2, 20037470), (4, 10018735), (5, 8014988), (10, 4007494), (20, 2003747), (31, 1292740), (62, 646370), (109, 367660), (124, 323185), (155, 258548), (218, 183830), (310, 129274), (436, 91915), (545, 73532), (593, 67580), (620, 64637), (1090, 36766), (1186, 33790), (2180, 18383), (2372, 16895), (2965, 13516), (3379, 11860), (5930, 6758)]