51691380

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{66271}}^1$

素因数の和:66296

約数の個数: 48

約数和(自身を含む): 155871744

約数和(自身を除く): 104180364

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 13, 15, 20, 26, 30, 39, 52, 60, 65, 78, 130, 156, 195, 260, 390, 780, 66271, 132542, 198813, 265084, 331355, 397626, 662710, 795252, 861523, 994065, 1325420, 1723046, 1988130, 2584569, 3446092, 3976260, 4307615, 5169138, 8615230, 10338276, 12922845, 17230460, 25845690, 51691380]

約数ペア:

[(1, 51691380), (2, 25845690), (3, 17230460), (4, 12922845), (5, 10338276), (6, 8615230), (10, 5169138), (12, 4307615), (13, 3976260), (15, 3446092), (20, 2584569), (26, 1988130), (30, 1723046), (39, 1325420), (52, 994065), (60, 861523), (65, 795252), (78, 662710), (130, 397626), (156, 331355), (195, 265084), (260, 198813), (390, 132542), (780, 66271)]