11538820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 48

約数和(自身を含む): 25740288

約数和(自身を除く): 14201468

約数列:

[1, 2, 4, 5, 10, 20, 31, 37, 62, 74, 124, 148, 155, 185, 310, 370, 503, 620, 740, 1006, 1147, 2012, 2294, 2515, 4588, 5030, 5735, 10060, 11470, 15593, 18611, 22940, 31186, 37222, 62372, 74444, 77965, 93055, 155930, 186110, 311860, 372220, 576941, 1153882, 2307764, 2884705, 5769410, 11538820]

約数ペア:

[(1, 11538820), (2, 5769410), (4, 2884705), (5, 2307764), (10, 1153882), (20, 576941), (31, 372220), (37, 311860), (62, 186110), (74, 155930), (124, 93055), (148, 77965), (155, 74444), (185, 62372), (310, 37222), (370, 31186), (503, 22940), (620, 18611), (740, 15593), (1006, 11470), (1147, 10060), (2012, 5735), (2294, 5030), (2515, 4588)]