201642640

素因数分解:

$2^4\times 5^1\times {\mathrm{503}}^1\times {\mathrm{5011}}^1$

素因数の和:5527

約数の個数: 40

約数和(自身を含む): 469844928

約数和(自身を除く): 268202288

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 503, 1006, 2012, 2515, 4024, 5011, 5030, 8048, 10022, 10060, 20044, 20120, 25055, 40088, 40240, 50110, 80176, 100220, 200440, 400880, 2520533, 5041066, 10082132, 12602665, 20164264, 25205330, 40328528, 50410660, 100821320, 201642640]

約数ペア:

[(1, 201642640), (2, 100821320), (4, 50410660), (5, 40328528), (8, 25205330), (10, 20164264), (16, 12602665), (20, 10082132), (40, 5041066), (80, 2520533), (503, 400880), (1006, 200440), (2012, 100220), (2515, 80176), (4024, 50110), (5011, 40240), (5030, 40088), (8048, 25055), (10022, 20120), (10060, 20044)]