31382080

素因数分解:

$2^6\times 5^1\times {\mathrm{281}}^1\times {\mathrm{349}}^1$

素因数の和:647

約数の個数: 56

約数和(自身を含む): 75209400

約数和(自身を除く): 43827320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 281, 320, 349, 562, 698, 1124, 1396, 1405, 1745, 2248, 2792, 2810, 3490, 4496, 5584, 5620, 6980, 8992, 11168, 11240, 13960, 17984, 22336, 22480, 27920, 44960, 55840, 89920, 98069, 111680, 196138, 392276, 490345, 784552, 980690, 1569104, 1961380, 3138208, 3922760, 6276416, 7845520, 15691040, 31382080]

約数ペア:

[(1, 31382080), (2, 15691040), (4, 7845520), (5, 6276416), (8, 3922760), (10, 3138208), (16, 1961380), (20, 1569104), (32, 980690), (40, 784552), (64, 490345), (80, 392276), (160, 196138), (281, 111680), (320, 98069), (349, 89920), (562, 55840), (698, 44960), (1124, 27920), (1396, 22480), (1405, 22336), (1745, 17984), (2248, 13960), (2792, 11240), (2810, 11168), (3490, 8992), (4496, 6980), (5584, 5620)]