22161520

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{7487}}^1$

素因数の和:7537

約数の個数: 40

約数和(自身を含む): 52925184

約数和(自身を除く): 30763664

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 592, 740, 1480, 2960, 7487, 14974, 29948, 37435, 59896, 74870, 119792, 149740, 277019, 299480, 554038, 598960, 1108076, 1385095, 2216152, 2770190, 4432304, 5540380, 11080760, 22161520]

約数ペア:

[(1, 22161520), (2, 11080760), (4, 5540380), (5, 4432304), (8, 2770190), (10, 2216152), (16, 1385095), (20, 1108076), (37, 598960), (40, 554038), (74, 299480), (80, 277019), (148, 149740), (185, 119792), (296, 74870), (370, 59896), (592, 37435), (740, 29948), (1480, 14974), (2960, 7487)]