201211840

素因数分解:

$2^6\times 5^1\times {\mathrm{628787}}^1$

素因数の和:628804

約数の個数: 28

約数和(自身を含む): 479136456

約数和(自身を除く): 277924616

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 628787, 1257574, 2515148, 3143935, 5030296, 6287870, 10060592, 12575740, 20121184, 25151480, 40242368, 50302960, 100605920, 201211840]

約数ペア:

[(1, 201211840), (2, 100605920), (4, 50302960), (5, 40242368), (8, 25151480), (10, 20121184), (16, 12575740), (20, 10060592), (32, 6287870), (40, 5030296), (64, 3143935), (80, 2515148), (160, 1257574), (320, 628787)]