81198400

素因数分解:

$2^6\times 5^2\times {\mathrm{19}}^1\times {\mathrm{2671}}^1$

素因数の和:2712

約数の個数: 84

約数和(自身を含む): 210393280

約数和(自身を除く): 129194880

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 25, 32, 38, 40, 50, 64, 76, 80, 95, 100, 152, 160, 190, 200, 304, 320, 380, 400, 475, 608, 760, 800, 950, 1216, 1520, 1600, 1900, 2671, 3040, 3800, 5342, 6080, 7600, 10684, 13355, 15200, 21368, 26710, 30400, 42736, 50749, 53420, 66775, 85472, 101498, 106840, 133550, 170944, 202996, 213680, 253745, 267100, 405992, 427360, 507490, 534200, 811984, 854720, 1014980, 1068400, 1268725, 1623968, 2029960, 2136800, 2537450, 3247936, 4059920, 4273600, 5074900, 8119840, 10149800, 16239680, 20299600, 40599200, 81198400]

約数ペア:

[(1, 81198400), (2, 40599200), (4, 20299600), (5, 16239680), (8, 10149800), (10, 8119840), (16, 5074900), (19, 4273600), (20, 4059920), (25, 3247936), (32, 2537450), (38, 2136800), (40, 2029960), (50, 1623968), (64, 1268725), (76, 1068400), (80, 1014980), (95, 854720), (100, 811984), (152, 534200), (160, 507490), (190, 427360), (200, 405992), (304, 267100), (320, 253745), (380, 213680), (400, 202996), (475, 170944), (608, 133550), (760, 106840), (800, 101498), (950, 85472), (1216, 66775), (1520, 53420), (1600, 50749), (1900, 42736), (2671, 30400), (3040, 26710), (3800, 21368), (5342, 15200), (6080, 13355), (7600, 10684)]