51402520

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{2411}}^1$

素因数の和:2476

約数の個数: 64

約数和(自身を含む): 127643040

約数和(自身を除く): 76240520

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 41, 52, 65, 82, 104, 130, 164, 205, 260, 328, 410, 520, 533, 820, 1066, 1640, 2132, 2411, 2665, 4264, 4822, 5330, 9644, 10660, 12055, 19288, 21320, 24110, 31343, 48220, 62686, 96440, 98851, 125372, 156715, 197702, 250744, 313430, 395404, 494255, 626860, 790808, 988510, 1253720, 1285063, 1977020, 2570126, 3954040, 5140252, 6425315, 10280504, 12850630, 25701260, 51402520]

約数ペア:

[(1, 51402520), (2, 25701260), (4, 12850630), (5, 10280504), (8, 6425315), (10, 5140252), (13, 3954040), (20, 2570126), (26, 1977020), (40, 1285063), (41, 1253720), (52, 988510), (65, 790808), (82, 626860), (104, 494255), (130, 395404), (164, 313430), (205, 250744), (260, 197702), (328, 156715), (410, 125372), (520, 98851), (533, 96440), (820, 62686), (1066, 48220), (1640, 31343), (2132, 24110), (2411, 21320), (2665, 19288), (4264, 12055), (4822, 10660), (5330, 9644)]