201218480

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{8951}}^1$

素因数の和:9245

約数の個数: 40

約数和(自身を含む): 469550304

約数和(自身を除く): 268331824

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 2248, 2810, 4496, 5620, 8951, 11240, 17902, 22480, 35804, 44755, 71608, 89510, 143216, 179020, 358040, 716080, 2515231, 5030462, 10060924, 12576155, 20121848, 25152310, 40243696, 50304620, 100609240, 201218480]

約数ペア:

[(1, 201218480), (2, 100609240), (4, 50304620), (5, 40243696), (8, 25152310), (10, 20121848), (16, 12576155), (20, 10060924), (40, 5030462), (80, 2515231), (281, 716080), (562, 358040), (1124, 179020), (1405, 143216), (2248, 89510), (2810, 71608), (4496, 44755), (5620, 35804), (8951, 22480), (11240, 17902)]