2006641720

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{937}}^1\times {\mathrm{1447}}^1$

素因数の和:2432

約数の個数: 64

約数和(自身を含む): 4645126080

約数和(自身を除く): 2638484360

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 937, 1447, 1480, 1874, 2894, 3748, 4685, 5788, 7235, 7496, 9370, 11576, 14470, 18740, 28940, 34669, 37480, 53539, 57880, 69338, 107078, 138676, 173345, 214156, 267695, 277352, 346690, 428312, 535390, 693380, 1070780, 1355839, 1386760, 2141560, 2711678, 5423356, 6779195, 10846712, 13558390, 27116780, 50166043, 54233560, 100332086, 200664172, 250830215, 401328344, 501660430, 1003320860, 2006641720]

約数ペア:

[(1, 2006641720), (2, 1003320860), (4, 501660430), (5, 401328344), (8, 250830215), (10, 200664172), (20, 100332086), (37, 54233560), (40, 50166043), (74, 27116780), (148, 13558390), (185, 10846712), (296, 6779195), (370, 5423356), (740, 2711678), (937, 2141560), (1447, 1386760), (1480, 1355839), (1874, 1070780), (2894, 693380), (3748, 535390), (4685, 428312), (5788, 346690), (7235, 277352), (7496, 267695), (9370, 214156), (11576, 173345), (14470, 138676), (18740, 107078), (28940, 69338), (34669, 57880), (37480, 53539)]