71290960

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^2\times {\mathrm{5273}}^1$

素因数の和:5312

約数の個数: 60

約数和(自身を含む): 179516412

約数和(自身を除く): 108225452

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 169, 208, 260, 338, 520, 676, 845, 1040, 1352, 1690, 2704, 3380, 5273, 6760, 10546, 13520, 21092, 26365, 42184, 52730, 68549, 84368, 105460, 137098, 210920, 274196, 342745, 421840, 548392, 685490, 891137, 1096784, 1370980, 1782274, 2741960, 3564548, 4455685, 5483920, 7129096, 8911370, 14258192, 17822740, 35645480, 71290960]

約数ペア:

[(1, 71290960), (2, 35645480), (4, 17822740), (5, 14258192), (8, 8911370), (10, 7129096), (13, 5483920), (16, 4455685), (20, 3564548), (26, 2741960), (40, 1782274), (52, 1370980), (65, 1096784), (80, 891137), (104, 685490), (130, 548392), (169, 421840), (208, 342745), (260, 274196), (338, 210920), (520, 137098), (676, 105460), (845, 84368), (1040, 68549), (1352, 52730), (1690, 42184), (2704, 26365), (3380, 21092), (5273, 13520), (6760, 10546)]