123535880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{353}}^1\times {\mathrm{673}}^1$

素因数の和:1050

約数の個数: 64

約数和(自身を含む): 300630960

約数和(自身を除く): 177095080

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 353, 520, 673, 706, 1346, 1412, 1765, 2692, 2824, 3365, 3530, 4589, 5384, 6730, 7060, 8749, 9178, 13460, 14120, 17498, 18356, 22945, 26920, 34996, 36712, 43745, 45890, 69992, 87490, 91780, 174980, 183560, 237569, 349960, 475138, 950276, 1187845, 1900552, 2375690, 3088397, 4751380, 6176794, 9502760, 12353588, 15441985, 24707176, 30883970, 61767940, 123535880]

約数ペア:

[(1, 123535880), (2, 61767940), (4, 30883970), (5, 24707176), (8, 15441985), (10, 12353588), (13, 9502760), (20, 6176794), (26, 4751380), (40, 3088397), (52, 2375690), (65, 1900552), (104, 1187845), (130, 950276), (260, 475138), (353, 349960), (520, 237569), (673, 183560), (706, 174980), (1346, 91780), (1412, 87490), (1765, 69992), (2692, 45890), (2824, 43745), (3365, 36712), (3530, 34996), (4589, 26920), (5384, 22945), (6730, 18356), (7060, 17498), (8749, 14120), (9178, 13460)]