72386480

素因数分解:

$2^4\times 5^1\times {\mathrm{479}}^1\times {\mathrm{1889}}^1$

素因数の和:2381

約数の個数: 40

約数和(自身を含む): 168739200

約数和(自身を除く): 96352720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 479, 958, 1889, 1916, 2395, 3778, 3832, 4790, 7556, 7664, 9445, 9580, 15112, 18890, 19160, 30224, 37780, 38320, 75560, 151120, 904831, 1809662, 3619324, 4524155, 7238648, 9048310, 14477296, 18096620, 36193240, 72386480]

約数ペア:

[(1, 72386480), (2, 36193240), (4, 18096620), (5, 14477296), (8, 9048310), (10, 7238648), (16, 4524155), (20, 3619324), (40, 1809662), (80, 904831), (479, 151120), (958, 75560), (1889, 38320), (1916, 37780), (2395, 30224), (3778, 19160), (3832, 18890), (4790, 15112), (7556, 9580), (7664, 9445)]