4146740

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{389}}^1$

素因数の和:452

約数の個数: 48

約数和(自身を含む): 9631440

約数和(自身を除く): 5484700

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 41, 52, 65, 82, 130, 164, 205, 260, 389, 410, 533, 778, 820, 1066, 1556, 1945, 2132, 2665, 3890, 5057, 5330, 7780, 10114, 10660, 15949, 20228, 25285, 31898, 50570, 63796, 79745, 101140, 159490, 207337, 318980, 414674, 829348, 1036685, 2073370, 4146740]

約数ペア:

[(1, 4146740), (2, 2073370), (4, 1036685), (5, 829348), (10, 414674), (13, 318980), (20, 207337), (26, 159490), (41, 101140), (52, 79745), (65, 63796), (82, 50570), (130, 31898), (164, 25285), (205, 20228), (260, 15949), (389, 10660), (410, 10114), (533, 7780), (778, 5330), (820, 5057), (1066, 3890), (1556, 2665), (1945, 2132)]