38972440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{149}}^1\times {\mathrm{503}}^1$

素因数の和:676

約数の個数: 64

約数和(自身を含む): 95256000

約数和(自身を除く): 56283560

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 149, 260, 298, 503, 520, 596, 745, 1006, 1192, 1490, 1937, 2012, 2515, 2980, 3874, 4024, 5030, 5960, 6539, 7748, 9685, 10060, 13078, 15496, 19370, 20120, 26156, 32695, 38740, 52312, 65390, 74947, 77480, 130780, 149894, 261560, 299788, 374735, 599576, 749470, 974311, 1498940, 1948622, 2997880, 3897244, 4871555, 7794488, 9743110, 19486220, 38972440]

約数ペア:

[(1, 38972440), (2, 19486220), (4, 9743110), (5, 7794488), (8, 4871555), (10, 3897244), (13, 2997880), (20, 1948622), (26, 1498940), (40, 974311), (52, 749470), (65, 599576), (104, 374735), (130, 299788), (149, 261560), (260, 149894), (298, 130780), (503, 77480), (520, 74947), (596, 65390), (745, 52312), (1006, 38740), (1192, 32695), (1490, 26156), (1937, 20120), (2012, 19370), (2515, 15496), (2980, 13078), (3874, 10060), (4024, 9685), (5030, 7748), (5960, 6539)]