55511080

素因数分解:

$2^3\times 5^1\times {\mathrm{31}}^1\times {\mathrm{89}}^1\times {\mathrm{503}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 130636800

約数和(自身を除く): 75125720

約数列:

[1, 2, 4, 5, 8, 10, 20, 31, 40, 62, 89, 124, 155, 178, 248, 310, 356, 445, 503, 620, 712, 890, 1006, 1240, 1780, 2012, 2515, 2759, 3560, 4024, 5030, 5518, 10060, 11036, 13795, 15593, 20120, 22072, 27590, 31186, 44767, 55180, 62372, 77965, 89534, 110360, 124744, 155930, 179068, 223835, 311860, 358136, 447670, 623720, 895340, 1387777, 1790680, 2775554, 5551108, 6938885, 11102216, 13877770, 27755540, 55511080]

約数ペア:

[(1, 55511080), (2, 27755540), (4, 13877770), (5, 11102216), (8, 6938885), (10, 5551108), (20, 2775554), (31, 1790680), (40, 1387777), (62, 895340), (89, 623720), (124, 447670), (155, 358136), (178, 311860), (248, 223835), (310, 179068), (356, 155930), (445, 124744), (503, 110360), (620, 89534), (712, 77965), (890, 62372), (1006, 55180), (1240, 44767), (1780, 31186), (2012, 27590), (2515, 22072), (2759, 20120), (3560, 15593), (4024, 13795), (5030, 11036), (5518, 10060)]