42466520

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{787}}^1$

素因数の和:888

約数の個数: 64

約数和(自身を含む): 102124800

約数和(自身を除く): 59658280

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 71, 76, 95, 142, 152, 190, 284, 355, 380, 568, 710, 760, 787, 1349, 1420, 1574, 2698, 2840, 3148, 3935, 5396, 6296, 6745, 7870, 10792, 13490, 14953, 15740, 26980, 29906, 31480, 53960, 55877, 59812, 74765, 111754, 119624, 149530, 223508, 279385, 299060, 447016, 558770, 598120, 1061663, 1117540, 2123326, 2235080, 4246652, 5308315, 8493304, 10616630, 21233260, 42466520]

約数ペア:

[(1, 42466520), (2, 21233260), (4, 10616630), (5, 8493304), (8, 5308315), (10, 4246652), (19, 2235080), (20, 2123326), (38, 1117540), (40, 1061663), (71, 598120), (76, 558770), (95, 447016), (142, 299060), (152, 279385), (190, 223508), (284, 149530), (355, 119624), (380, 111754), (568, 74765), (710, 59812), (760, 55877), (787, 53960), (1349, 31480), (1420, 29906), (1574, 26980), (2698, 15740), (2840, 14953), (3148, 13490), (3935, 10792), (5396, 7870), (6296, 6745)]