38769640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{10651}}^1$

素因数の和:10682

約数の個数: 64

約数和(自身を含む): 107372160

約数和(自身を除く): 68602520

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 20, 26, 28, 35, 40, 52, 56, 65, 70, 91, 104, 130, 140, 182, 260, 280, 364, 455, 520, 728, 910, 1820, 3640, 10651, 21302, 42604, 53255, 74557, 85208, 106510, 138463, 149114, 213020, 276926, 298228, 372785, 426040, 553852, 596456, 692315, 745570, 969241, 1107704, 1384630, 1491140, 1938482, 2769260, 2982280, 3876964, 4846205, 5538520, 7753928, 9692410, 19384820, 38769640]

約数ペア:

[(1, 38769640), (2, 19384820), (4, 9692410), (5, 7753928), (7, 5538520), (8, 4846205), (10, 3876964), (13, 2982280), (14, 2769260), (20, 1938482), (26, 1491140), (28, 1384630), (35, 1107704), (40, 969241), (52, 745570), (56, 692315), (65, 596456), (70, 553852), (91, 426040), (104, 372785), (130, 298228), (140, 276926), (182, 213020), (260, 149114), (280, 138463), (364, 106510), (455, 85208), (520, 74557), (728, 53255), (910, 42604), (1820, 21302), (3640, 10651)]