40540980

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{821}}^1\times {\mathrm{823}}^1$

素因数の和:1656

約数の個数: 48

約数和(自身を含む): 113791104

約数和(自身を除く): 73250124

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60, 821, 823, 1642, 1646, 2463, 2469, 3284, 3292, 4105, 4115, 4926, 4938, 8210, 8230, 9852, 9876, 12315, 12345, 16420, 16460, 24630, 24690, 49260, 49380, 675683, 1351366, 2027049, 2702732, 3378415, 4054098, 6756830, 8108196, 10135245, 13513660, 20270490, 40540980]

約数ペア:

[(1, 40540980), (2, 20270490), (3, 13513660), (4, 10135245), (5, 8108196), (6, 6756830), (10, 4054098), (12, 3378415), (15, 2702732), (20, 2027049), (30, 1351366), (60, 675683), (821, 49380), (823, 49260), (1642, 24690), (1646, 24630), (2463, 16460), (2469, 16420), (3284, 12345), (3292, 12315), (4105, 9876), (4115, 9852), (4926, 8230), (4938, 8210)]