26117980

素因数分解:

$2^2\times 5^1\times 7^2\times {\mathrm{29}}^1\times {\mathrm{919}}^1$

素因数の和:971

約数の個数: 72

約数和(自身を含む): 66074400

約数和(自身を除く): 39956420

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 29, 35, 49, 58, 70, 98, 116, 140, 145, 196, 203, 245, 290, 406, 490, 580, 812, 919, 980, 1015, 1421, 1838, 2030, 2842, 3676, 4060, 4595, 5684, 6433, 7105, 9190, 12866, 14210, 18380, 25732, 26651, 28420, 32165, 45031, 53302, 64330, 90062, 106604, 128660, 133255, 180124, 186557, 225155, 266510, 373114, 450310, 533020, 746228, 900620, 932785, 1305899, 1865570, 2611798, 3731140, 5223596, 6529495, 13058990, 26117980]

約数ペア:

[(1, 26117980), (2, 13058990), (4, 6529495), (5, 5223596), (7, 3731140), (10, 2611798), (14, 1865570), (20, 1305899), (28, 932785), (29, 900620), (35, 746228), (49, 533020), (58, 450310), (70, 373114), (98, 266510), (116, 225155), (140, 186557), (145, 180124), (196, 133255), (203, 128660), (245, 106604), (290, 90062), (406, 64330), (490, 53302), (580, 45031), (812, 32165), (919, 28420), (980, 26651), (1015, 25732), (1421, 18380), (1838, 14210), (2030, 12866), (2842, 9190), (3676, 7105), (4060, 6433), (4595, 5684)]