25409945

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 34992000

約数和(自身を除く): 9582055

約数列:

[1, 5, 11, 29, 55, 89, 145, 179, 319, 445, 895, 979, 1595, 1969, 2581, 4895, 5191, 9845, 12905, 15931, 25955, 28391, 57101, 79655, 141955, 175241, 285505, 461999, 876205, 2309995, 5081989, 25409945]

約数ペア:

[(1, 25409945), (5, 5081989), (11, 2309995), (29, 876205), (55, 461999), (89, 285505), (145, 175241), (179, 141955), (319, 79655), (445, 57101), (895, 28391), (979, 25955), (1595, 15931), (1969, 12905), (2581, 9845), (4895, 5191)]