56472520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{223}}^1\times {\mathrm{487}}^1$

素因数の和:734

約数の個数: 64

約数和(自身を含む): 137733120

約数和(自身を除く): 81260600

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 223, 260, 446, 487, 520, 892, 974, 1115, 1784, 1948, 2230, 2435, 2899, 3896, 4460, 4870, 5798, 6331, 8920, 9740, 11596, 12662, 14495, 19480, 23192, 25324, 28990, 31655, 50648, 57980, 63310, 108601, 115960, 126620, 217202, 253240, 434404, 543005, 868808, 1086010, 1411813, 2172020, 2823626, 4344040, 5647252, 7059065, 11294504, 14118130, 28236260, 56472520]

約数ペア:

[(1, 56472520), (2, 28236260), (4, 14118130), (5, 11294504), (8, 7059065), (10, 5647252), (13, 4344040), (20, 2823626), (26, 2172020), (40, 1411813), (52, 1086010), (65, 868808), (104, 543005), (130, 434404), (223, 253240), (260, 217202), (446, 126620), (487, 115960), (520, 108601), (892, 63310), (974, 57980), (1115, 50648), (1784, 31655), (1948, 28990), (2230, 25324), (2435, 23192), (2899, 19480), (3896, 14495), (4460, 12662), (4870, 11596), (5798, 9740), (6331, 8920)]