25811740

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{191}}^1\times {\mathrm{233}}^1$

素因数の和:462

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 30797540

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 191, 233, 290, 382, 466, 580, 764, 932, 955, 1165, 1910, 2330, 3820, 4660, 5539, 6757, 11078, 13514, 22156, 27028, 27695, 33785, 44503, 55390, 67570, 89006, 110780, 135140, 178012, 222515, 445030, 890060, 1290587, 2581174, 5162348, 6452935, 12905870, 25811740]

約数ペア:

[(1, 25811740), (2, 12905870), (4, 6452935), (5, 5162348), (10, 2581174), (20, 1290587), (29, 890060), (58, 445030), (116, 222515), (145, 178012), (191, 135140), (233, 110780), (290, 89006), (382, 67570), (466, 55390), (580, 44503), (764, 33785), (932, 27695), (955, 27028), (1165, 22156), (1910, 13514), (2330, 11078), (3820, 6757), (4660, 5539)]