201213680

素因数分解:

$2^4\times 5^1\times {\mathrm{1571}}^1\times {\mathrm{1601}}^1$

素因数の和:3185

約数の個数: 40

約数和(自身を含む): 468411984

約数和(自身を除く): 267198304

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1571, 1601, 3142, 3202, 6284, 6404, 7855, 8005, 12568, 12808, 15710, 16010, 25136, 25616, 31420, 32020, 62840, 64040, 125680, 128080, 2515171, 5030342, 10060684, 12575855, 20121368, 25151710, 40242736, 50303420, 100606840, 201213680]

約数ペア:

[(1, 201213680), (2, 100606840), (4, 50303420), (5, 40242736), (8, 25151710), (10, 20121368), (16, 12575855), (20, 10060684), (40, 5030342), (80, 2515171), (1571, 128080), (1601, 125680), (3142, 64040), (3202, 62840), (6284, 32020), (6404, 31420), (7855, 25616), (8005, 25136), (12568, 16010), (12808, 15710)]