201320720

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5003}}^1$

素因数の和:5519

約数の個数: 40

約数和(自身を含む): 469094976

約数和(自身を除く): 267774256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5003, 5030, 8048, 10006, 10060, 20012, 20120, 25015, 40024, 40240, 50030, 80048, 100060, 200120, 400240, 2516509, 5033018, 10066036, 12582545, 20132072, 25165090, 40264144, 50330180, 100660360, 201320720]

約数ペア:

[(1, 201320720), (2, 100660360), (4, 50330180), (5, 40264144), (8, 25165090), (10, 20132072), (16, 12582545), (20, 10066036), (40, 5033018), (80, 2516509), (503, 400240), (1006, 200120), (2012, 100060), (2515, 80048), (4024, 50030), (5003, 40240), (5030, 40024), (8048, 25015), (10006, 20120), (10060, 20012)]