201208520

素因数分解:

$2^3\times 5^1\times {\mathrm{2039}}^1\times {\mathrm{2467}}^1$

素因数の和:4517

約数の個数: 32

約数和(自身を含む): 453124800

約数和(自身を除く): 251916280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2039, 2467, 4078, 4934, 8156, 9868, 10195, 12335, 16312, 19736, 20390, 24670, 40780, 49340, 81560, 98680, 5030213, 10060426, 20120852, 25151065, 40241704, 50302130, 100604260, 201208520]

約数ペア:

[(1, 201208520), (2, 100604260), (4, 50302130), (5, 40241704), (8, 25151065), (10, 20120852), (20, 10060426), (40, 5030213), (2039, 98680), (2467, 81560), (4078, 49340), (4934, 40780), (8156, 24670), (9868, 20390), (10195, 19736), (12335, 16312)]