72419560

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{9479}}^1$

素因数の和:9681

約数の個数: 32

約数和(自身を含む): 163814400

約数和(自身を除く): 91394840

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 9479, 18958, 37916, 47395, 75832, 94790, 189580, 379160, 1810489, 3620978, 7241956, 9052445, 14483912, 18104890, 36209780, 72419560]

約数ペア:

[(1, 72419560), (2, 36209780), (4, 18104890), (5, 14483912), (8, 9052445), (10, 7241956), (20, 3620978), (40, 1810489), (191, 379160), (382, 189580), (764, 94790), (955, 75832), (1528, 47395), (1910, 37916), (3820, 18958), (7640, 9479)]