76407640

素因数分解:

$2^3\times 5^1\times {\mathrm{73}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:412

約数の個数: 64

約数和(自身を含む): 176463360

約数和(自身を除く): 100055720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 73, 137, 146, 191, 274, 292, 365, 382, 548, 584, 685, 730, 764, 955, 1096, 1370, 1460, 1528, 1910, 2740, 2920, 3820, 5480, 7640, 10001, 13943, 20002, 26167, 27886, 40004, 50005, 52334, 55772, 69715, 80008, 100010, 104668, 111544, 130835, 139430, 200020, 209336, 261670, 278860, 400040, 523340, 557720, 1046680, 1910191, 3820382, 7640764, 9550955, 15281528, 19101910, 38203820, 76407640]

約数ペア:

[(1, 76407640), (2, 38203820), (4, 19101910), (5, 15281528), (8, 9550955), (10, 7640764), (20, 3820382), (40, 1910191), (73, 1046680), (137, 557720), (146, 523340), (191, 400040), (274, 278860), (292, 261670), (365, 209336), (382, 200020), (548, 139430), (584, 130835), (685, 111544), (730, 104668), (764, 100010), (955, 80008), (1096, 69715), (1370, 55772), (1460, 52334), (1528, 50005), (1910, 40004), (2740, 27886), (2920, 26167), (3820, 20002), (5480, 13943), (7640, 10001)]