51496120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{167}}^1\times {\mathrm{593}}^1$

素因数の和:784

約数の個数: 64

約数和(自身を含む): 125737920

約数和(自身を除く): 74241800

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 167, 260, 334, 520, 593, 668, 835, 1186, 1336, 1670, 2171, 2372, 2965, 3340, 4342, 4744, 5930, 6680, 7709, 8684, 10855, 11860, 15418, 17368, 21710, 23720, 30836, 38545, 43420, 61672, 77090, 86840, 99031, 154180, 198062, 308360, 396124, 495155, 792248, 990310, 1287403, 1980620, 2574806, 3961240, 5149612, 6437015, 10299224, 12874030, 25748060, 51496120]

約数ペア:

[(1, 51496120), (2, 25748060), (4, 12874030), (5, 10299224), (8, 6437015), (10, 5149612), (13, 3961240), (20, 2574806), (26, 1980620), (40, 1287403), (52, 990310), (65, 792248), (104, 495155), (130, 396124), (167, 308360), (260, 198062), (334, 154180), (520, 99031), (593, 86840), (668, 77090), (835, 61672), (1186, 43420), (1336, 38545), (1670, 30836), (2171, 23720), (2372, 21710), (2965, 17368), (3340, 15418), (4342, 11860), (4744, 10855), (5930, 8684), (6680, 7709)]