42724820

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{503}}^1$

素因数の和:680

約数の個数: 48

約数和(自身を含む): 93477888

約数和(自身を除く): 50753068

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 137, 155, 274, 310, 503, 548, 620, 685, 1006, 1370, 2012, 2515, 2740, 4247, 5030, 8494, 10060, 15593, 16988, 21235, 31186, 42470, 62372, 68911, 77965, 84940, 137822, 155930, 275644, 311860, 344555, 689110, 1378220, 2136241, 4272482, 8544964, 10681205, 21362410, 42724820]

約数ペア:

[(1, 42724820), (2, 21362410), (4, 10681205), (5, 8544964), (10, 4272482), (20, 2136241), (31, 1378220), (62, 689110), (124, 344555), (137, 311860), (155, 275644), (274, 155930), (310, 137822), (503, 84940), (548, 77965), (620, 68911), (685, 62372), (1006, 42470), (1370, 31186), (2012, 21235), (2515, 16988), (2740, 15593), (4247, 10060), (5030, 8494)]