28480720

素因数分解:

$2^4\times 5^1\times {\mathrm{577}}^1\times {\mathrm{617}}^1$

素因数の和:1207

約数の個数: 40

約数和(自身を含む): 66439944

約数和(自身を除く): 37959224

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 577, 617, 1154, 1234, 2308, 2468, 2885, 3085, 4616, 4936, 5770, 6170, 9232, 9872, 11540, 12340, 23080, 24680, 46160, 49360, 356009, 712018, 1424036, 1780045, 2848072, 3560090, 5696144, 7120180, 14240360, 28480720]

約数ペア:

[(1, 28480720), (2, 14240360), (4, 7120180), (5, 5696144), (8, 3560090), (10, 2848072), (16, 1780045), (20, 1424036), (40, 712018), (80, 356009), (577, 49360), (617, 46160), (1154, 24680), (1234, 23080), (2308, 12340), (2468, 11540), (2885, 9872), (3085, 9232), (4616, 6170), (4936, 5770)]