131625520

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{1889}}^1$

素因数の和:1982

約数の個数: 80

約数和(自身を含む): 334666080

約数和(自身を除く): 203040560

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 67, 80, 104, 130, 134, 208, 260, 268, 335, 520, 536, 670, 871, 1040, 1072, 1340, 1742, 1889, 2680, 3484, 3778, 4355, 5360, 6968, 7556, 8710, 9445, 13936, 15112, 17420, 18890, 24557, 30224, 34840, 37780, 49114, 69680, 75560, 98228, 122785, 126563, 151120, 196456, 245570, 253126, 392912, 491140, 506252, 632815, 982280, 1012504, 1265630, 1645319, 1964560, 2025008, 2531260, 3290638, 5062520, 6581276, 8226595, 10125040, 13162552, 16453190, 26325104, 32906380, 65812760, 131625520]

約数ペア:

[(1, 131625520), (2, 65812760), (4, 32906380), (5, 26325104), (8, 16453190), (10, 13162552), (13, 10125040), (16, 8226595), (20, 6581276), (26, 5062520), (40, 3290638), (52, 2531260), (65, 2025008), (67, 1964560), (80, 1645319), (104, 1265630), (130, 1012504), (134, 982280), (208, 632815), (260, 506252), (268, 491140), (335, 392912), (520, 253126), (536, 245570), (670, 196456), (871, 151120), (1040, 126563), (1072, 122785), (1340, 98228), (1742, 75560), (1889, 69680), (2680, 49114), (3484, 37780), (3778, 34840), (4355, 30224), (5360, 24557), (6968, 18890), (7556, 17420), (8710, 15112), (9445, 13936)]