100821320

素因数分解:

$2^3\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5011}}^1$

素因数の和:5525

約数の個数: 32

約数和(自身を含む): 227344320

約数和(自身を除く): 126523000

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 503, 1006, 2012, 2515, 4024, 5011, 5030, 10022, 10060, 20044, 20120, 25055, 40088, 50110, 100220, 200440, 2520533, 5041066, 10082132, 12602665, 20164264, 25205330, 50410660, 100821320]

約数ペア:

[(1, 100821320), (2, 50410660), (4, 25205330), (5, 20164264), (8, 12602665), (10, 10082132), (20, 5041066), (40, 2520533), (503, 200440), (1006, 100220), (2012, 50110), (2515, 40088), (4024, 25055), (5011, 20120), (5030, 20044), (10022, 10060)]