25458440

素因数分解:

$2^3\times 5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{419}}^1$

素因数の和:475

約数の個数: 96

約数和(自身を含む): 68947200

約数和(自身を除く): 43488760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 31, 35, 40, 49, 56, 62, 70, 98, 124, 140, 155, 196, 217, 245, 248, 280, 310, 392, 419, 434, 490, 620, 838, 868, 980, 1085, 1240, 1519, 1676, 1736, 1960, 2095, 2170, 2933, 3038, 3352, 4190, 4340, 5866, 6076, 7595, 8380, 8680, 11732, 12152, 12989, 14665, 15190, 16760, 20531, 23464, 25978, 29330, 30380, 41062, 51956, 58660, 60760, 64945, 82124, 90923, 102655, 103912, 117320, 129890, 164248, 181846, 205310, 259780, 363692, 410620, 454615, 519560, 636461, 727384, 821240, 909230, 1272922, 1818460, 2545844, 3182305, 3636920, 5091688, 6364610, 12729220, 25458440]

約数ペア:

[(1, 25458440), (2, 12729220), (4, 6364610), (5, 5091688), (7, 3636920), (8, 3182305), (10, 2545844), (14, 1818460), (20, 1272922), (28, 909230), (31, 821240), (35, 727384), (40, 636461), (49, 519560), (56, 454615), (62, 410620), (70, 363692), (98, 259780), (124, 205310), (140, 181846), (155, 164248), (196, 129890), (217, 117320), (245, 103912), (248, 102655), (280, 90923), (310, 82124), (392, 64945), (419, 60760), (434, 58660), (490, 51956), (620, 41062), (838, 30380), (868, 29330), (980, 25978), (1085, 23464), (1240, 20531), (1519, 16760), (1676, 15190), (1736, 14665), (1960, 12989), (2095, 12152), (2170, 11732), (2933, 8680), (3038, 8380), (3352, 7595), (4190, 6076), (4340, 5866)]