39911820

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{51169}}^1$

素因数の和:51194

約数の個数: 48

約数和(自身を含む): 120351840

約数和(自身を除く): 80440020

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, 51169, 102338, 153507, 204676, 255845, 307014, 511690, 614028, 665197, 767535, 1023380, 1330394, 1535070, 1995591, 2660788, 3070140, 3325985, 3991182, 6651970, 7982364, 9977955, 13303940, 19955910, 39911820]

約数ペア:

[(1, 39911820), (2, 19955910), (3, 13303940), (4, 9977955), (5, 7982364), (6, 6651970), (10, 3991182), (12, 3325985), (13, 3070140), (15, 2660788), (20, 1995591), (26, 1535070), (30, 1330394), (39, 1023380), (52, 767535), (60, 665197), (65, 614028), (78, 511690), (130, 307014), (156, 255845), (195, 204676), (260, 153507), (390, 102338), (780, 51169)]