25348440

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{16249}}^1$

素因数の和:16276

約数の個数: 64

約数和(自身を含む): 81900000

約数和(自身を除く): 56551560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 16249, 32498, 48747, 64996, 81245, 97494, 129992, 162490, 194988, 211237, 243735, 324980, 389976, 422474, 487470, 633711, 649960, 844948, 974940, 1056185, 1267422, 1689896, 1949880, 2112370, 2534844, 3168555, 4224740, 5069688, 6337110, 8449480, 12674220, 25348440]

約数ペア:

[(1, 25348440), (2, 12674220), (3, 8449480), (4, 6337110), (5, 5069688), (6, 4224740), (8, 3168555), (10, 2534844), (12, 2112370), (13, 1949880), (15, 1689896), (20, 1267422), (24, 1056185), (26, 974940), (30, 844948), (39, 649960), (40, 633711), (52, 487470), (60, 422474), (65, 389976), (78, 324980), (104, 243735), (120, 211237), (130, 194988), (156, 162490), (195, 129992), (260, 97494), (312, 81245), (390, 64996), (520, 48747), (780, 32498), (1560, 16249)]