25434380

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{239}}^1\times {\mathrm{313}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 56972160

約数和(自身を除く): 31537780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 239, 313, 340, 478, 626, 956, 1195, 1252, 1565, 2390, 3130, 4063, 4780, 5321, 6260, 8126, 10642, 16252, 20315, 21284, 26605, 40630, 53210, 74807, 81260, 106420, 149614, 299228, 374035, 748070, 1271719, 1496140, 2543438, 5086876, 6358595, 12717190, 25434380]

約数ペア:

[(1, 25434380), (2, 12717190), (4, 6358595), (5, 5086876), (10, 2543438), (17, 1496140), (20, 1271719), (34, 748070), (68, 374035), (85, 299228), (170, 149614), (239, 106420), (313, 81260), (340, 74807), (478, 53210), (626, 40630), (956, 26605), (1195, 21284), (1252, 20315), (1565, 16252), (2390, 10642), (3130, 8126), (4063, 6260), (4780, 5321)]