320432240

素因数分解:

$2^4\times 5^1\times {\mathrm{1951}}^1\times {\mathrm{2053}}^1$

素因数の和:4017

約数の個数: 40

約数和(自身を含む): 745749888

約数和(自身を除く): 425317648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1951, 2053, 3902, 4106, 7804, 8212, 9755, 10265, 15608, 16424, 19510, 20530, 31216, 32848, 39020, 41060, 78040, 82120, 156080, 164240, 4005403, 8010806, 16021612, 20027015, 32043224, 40054030, 64086448, 80108060, 160216120, 320432240]

約数ペア:

[(1, 320432240), (2, 160216120), (4, 80108060), (5, 64086448), (8, 40054030), (10, 32043224), (16, 20027015), (20, 16021612), (40, 8010806), (80, 4005403), (1951, 164240), (2053, 156080), (3902, 82120), (4106, 78040), (7804, 41060), (8212, 39020), (9755, 32848), (10265, 31216), (15608, 20530), (16424, 19510)]