25643420

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{229}}^1\times {\mathrm{509}}^1$

素因数の和:758

約数の個数: 48

約数和(自身を含む): 59119200

約数和(自身を除く): 33475780

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 229, 458, 509, 916, 1018, 1145, 2036, 2290, 2519, 2545, 4580, 5038, 5090, 5599, 10076, 10180, 11198, 12595, 22396, 25190, 27995, 50380, 55990, 111980, 116561, 233122, 466244, 582805, 1165610, 1282171, 2331220, 2564342, 5128684, 6410855, 12821710, 25643420]

約数ペア:

[(1, 25643420), (2, 12821710), (4, 6410855), (5, 5128684), (10, 2564342), (11, 2331220), (20, 1282171), (22, 1165610), (44, 582805), (55, 466244), (110, 233122), (220, 116561), (229, 111980), (458, 55990), (509, 50380), (916, 27995), (1018, 25190), (1145, 22396), (2036, 12595), (2290, 11198), (2519, 10180), (2545, 10076), (4580, 5599), (5038, 5090)]