25194820

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{47}}^1\times {\mathrm{547}}^1$

素因数の和:617

約数の個数: 72

約数和(自身を含む): 62971776

約数和(自身を除く): 37776956

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 49, 70, 94, 98, 140, 188, 196, 235, 245, 329, 470, 490, 547, 658, 940, 980, 1094, 1316, 1645, 2188, 2303, 2735, 3290, 3829, 4606, 5470, 6580, 7658, 9212, 10940, 11515, 15316, 19145, 23030, 25709, 26803, 38290, 46060, 51418, 53606, 76580, 102836, 107212, 128545, 134015, 179963, 257090, 268030, 359926, 514180, 536060, 719852, 899815, 1259741, 1799630, 2519482, 3599260, 5038964, 6298705, 12597410, 25194820]

約数ペア:

[(1, 25194820), (2, 12597410), (4, 6298705), (5, 5038964), (7, 3599260), (10, 2519482), (14, 1799630), (20, 1259741), (28, 899815), (35, 719852), (47, 536060), (49, 514180), (70, 359926), (94, 268030), (98, 257090), (140, 179963), (188, 134015), (196, 128545), (235, 107212), (245, 102836), (329, 76580), (470, 53606), (490, 51418), (547, 46060), (658, 38290), (940, 26803), (980, 25709), (1094, 23030), (1316, 19145), (1645, 15316), (2188, 11515), (2303, 10940), (2735, 9212), (3290, 7658), (3829, 6580), (4606, 5470)]