72276440

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{44071}}^1$

素因数の和:44123

約数の個数: 32

約数和(自身を含む): 166592160

約数和(自身を除く): 94315720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 44071, 88142, 176284, 220355, 352568, 440710, 881420, 1762840, 1806911, 3613822, 7227644, 9034555, 14455288, 18069110, 36138220, 72276440]

約数ペア:

[(1, 72276440), (2, 36138220), (4, 18069110), (5, 14455288), (8, 9034555), (10, 7227644), (20, 3613822), (40, 1806911), (41, 1762840), (82, 881420), (164, 440710), (205, 352568), (328, 220355), (410, 176284), (820, 88142), (1640, 44071)]