2912556520

素因数分解:

$2^3\times 5^1\times {\mathrm{3931}}^1\times {\mathrm{18523}}^1$

素因数の和:22465

約数の個数: 32

約数和(自身を含む): 6555273120

約数和(自身を除く): 3642716600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 3931, 7862, 15724, 18523, 19655, 31448, 37046, 39310, 74092, 78620, 92615, 148184, 157240, 185230, 370460, 740920, 72813913, 145627826, 291255652, 364069565, 582511304, 728139130, 1456278260, 2912556520]

約数ペア:

[(1, 2912556520), (2, 1456278260), (4, 728139130), (5, 582511304), (8, 364069565), (10, 291255652), (20, 145627826), (40, 72813913), (3931, 740920), (7862, 370460), (15724, 185230), (18523, 157240), (19655, 148184), (31448, 92615), (37046, 78620), (39310, 74092)]