25744880

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1483}}^1$

素因数の和:1534

約数の個数: 80

約数和(自身を含む): 70662144

約数和(自身を除く): 44917264

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 31, 35, 40, 56, 62, 70, 80, 112, 124, 140, 155, 217, 248, 280, 310, 434, 496, 560, 620, 868, 1085, 1240, 1483, 1736, 2170, 2480, 2966, 3472, 4340, 5932, 7415, 8680, 10381, 11864, 14830, 17360, 20762, 23728, 29660, 41524, 45973, 51905, 59320, 83048, 91946, 103810, 118640, 166096, 183892, 207620, 229865, 321811, 367784, 415240, 459730, 643622, 735568, 830480, 919460, 1287244, 1609055, 1838920, 2574488, 3218110, 3677840, 5148976, 6436220, 12872440, 25744880]

約数ペア:

[(1, 25744880), (2, 12872440), (4, 6436220), (5, 5148976), (7, 3677840), (8, 3218110), (10, 2574488), (14, 1838920), (16, 1609055), (20, 1287244), (28, 919460), (31, 830480), (35, 735568), (40, 643622), (56, 459730), (62, 415240), (70, 367784), (80, 321811), (112, 229865), (124, 207620), (140, 183892), (155, 166096), (217, 118640), (248, 103810), (280, 91946), (310, 83048), (434, 59320), (496, 51905), (560, 45973), (620, 41524), (868, 29660), (1085, 23728), (1240, 20762), (1483, 17360), (1736, 14830), (2170, 11864), (2480, 10381), (2966, 8680), (3472, 7415), (4340, 5932)]