25169980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{191}}^1\times {\mathrm{599}}^1$

素因数の和:810

約数の個数: 48

約数和(自身を含む): 58060800

約数和(自身を除く): 32890820

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 191, 220, 382, 599, 764, 955, 1198, 1910, 2101, 2396, 2995, 3820, 4202, 5990, 6589, 8404, 10505, 11980, 13178, 21010, 26356, 32945, 42020, 65890, 114409, 131780, 228818, 457636, 572045, 1144090, 1258499, 2288180, 2516998, 5033996, 6292495, 12584990, 25169980]

約数ペア:

[(1, 25169980), (2, 12584990), (4, 6292495), (5, 5033996), (10, 2516998), (11, 2288180), (20, 1258499), (22, 1144090), (44, 572045), (55, 457636), (110, 228818), (191, 131780), (220, 114409), (382, 65890), (599, 42020), (764, 32945), (955, 26356), (1198, 21010), (1910, 13178), (2101, 11980), (2396, 10505), (2995, 8404), (3820, 6589), (4202, 5990)]