56706520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{653}}^1$

素因数の和:844

約数の個数: 64

約数和(自身を含む): 138438720

約数和(自身を除く): 81732200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 653, 668, 835, 1306, 1336, 1670, 2171, 2612, 3265, 3340, 4342, 5224, 6530, 6680, 8489, 8684, 10855, 13060, 16978, 17368, 21710, 26120, 33956, 42445, 43420, 67912, 84890, 86840, 109051, 169780, 218102, 339560, 436204, 545255, 872408, 1090510, 1417663, 2181020, 2835326, 4362040, 5670652, 7088315, 11341304, 14176630, 28353260, 56706520]

約数ペア:

[(1, 56706520), (2, 28353260), (4, 14176630), (5, 11341304), (8, 7088315), (10, 5670652), (13, 4362040), (20, 2835326), (26, 2181020), (40, 1417663), (52, 1090510), (65, 872408), (104, 545255), (130, 436204), (167, 339560), (260, 218102), (334, 169780), (520, 109051), (653, 86840), (668, 84890), (835, 67912), (1306, 43420), (1336, 42445), (1670, 33956), (2171, 26120), (2612, 21710), (3265, 17368), (3340, 16978), (4342, 13060), (5224, 10855), (6530, 8684), (6680, 8489)]