64448080

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{21773}}^1$

素因数の和:21823

約数の個数: 40

約数和(自身を含む): 153898632

約数和(自身を除く): 89450552

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 21773, 43546, 87092, 108865, 174184, 217730, 348368, 435460, 805601, 870920, 1611202, 1741840, 3222404, 4028005, 6444808, 8056010, 12889616, 16112020, 32224040, 64448080]

約数ペア:

[(1, 64448080), (2, 32224040), (4, 16112020), (5, 12889616), (8, 8056010), (10, 6444808), (16, 4028005), (20, 3222404), (37, 1741840), (40, 1611202), (74, 870920), (80, 805601), (148, 435460), (185, 348368), (296, 217730), (370, 174184), (592, 108865), (740, 87092), (1480, 43546), (2960, 21773)]