13263880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{127}}^1\times {\mathrm{373}}^1$

素因数の和:518

約数の個数: 64

約数和(自身を含む): 34467840

約数和(自身を除く): 21203960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 127, 140, 254, 280, 373, 508, 635, 746, 889, 1016, 1270, 1492, 1778, 1865, 2540, 2611, 2984, 3556, 3730, 4445, 5080, 5222, 7112, 7460, 8890, 10444, 13055, 14920, 17780, 20888, 26110, 35560, 47371, 52220, 94742, 104440, 189484, 236855, 331597, 378968, 473710, 663194, 947420, 1326388, 1657985, 1894840, 2652776, 3315970, 6631940, 13263880]

約数ペア:

[(1, 13263880), (2, 6631940), (4, 3315970), (5, 2652776), (7, 1894840), (8, 1657985), (10, 1326388), (14, 947420), (20, 663194), (28, 473710), (35, 378968), (40, 331597), (56, 236855), (70, 189484), (127, 104440), (140, 94742), (254, 52220), (280, 47371), (373, 35560), (508, 26110), (635, 20888), (746, 17780), (889, 14920), (1016, 13055), (1270, 10444), (1492, 8890), (1778, 7460), (1865, 7112), (2540, 5222), (2611, 5080), (2984, 4445), (3556, 3730)]