25403270

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{89}}^1$

素因数の和:209

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 26384890

約数列:

[1, 2, 5, 10, 17, 23, 34, 46, 73, 85, 89, 115, 146, 170, 178, 230, 365, 391, 445, 730, 782, 890, 1241, 1513, 1679, 1955, 2047, 2482, 3026, 3358, 3910, 4094, 6205, 6497, 7565, 8395, 10235, 12410, 12994, 15130, 16790, 20470, 28543, 32485, 34799, 57086, 64970, 69598, 110449, 142715, 149431, 173995, 220898, 285430, 298862, 347990, 552245, 747155, 1104490, 1494310, 2540327, 5080654, 12701635, 25403270]

約数ペア:

[(1, 25403270), (2, 12701635), (5, 5080654), (10, 2540327), (17, 1494310), (23, 1104490), (34, 747155), (46, 552245), (73, 347990), (85, 298862), (89, 285430), (115, 220898), (146, 173995), (170, 149431), (178, 142715), (230, 110449), (365, 69598), (391, 64970), (445, 57086), (730, 34799), (782, 32485), (890, 28543), (1241, 20470), (1513, 16790), (1679, 15130), (1955, 12994), (2047, 12410), (2482, 10235), (3026, 8395), (3358, 7565), (3910, 6497), (4094, 6205)]