49706680

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{557}}^1$

素因数の和:688

約数の個数: 64

約数和(自身を含む): 118117440

約数和(自身を除く): 68410760

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 97, 115, 184, 194, 230, 388, 460, 485, 557, 776, 920, 970, 1114, 1940, 2228, 2231, 2785, 3880, 4456, 4462, 5570, 8924, 11140, 11155, 12811, 17848, 22280, 22310, 25622, 44620, 51244, 54029, 64055, 89240, 102488, 108058, 128110, 216116, 256220, 270145, 432232, 512440, 540290, 1080580, 1242667, 2161160, 2485334, 4970668, 6213335, 9941336, 12426670, 24853340, 49706680]

約数ペア:

[(1, 49706680), (2, 24853340), (4, 12426670), (5, 9941336), (8, 6213335), (10, 4970668), (20, 2485334), (23, 2161160), (40, 1242667), (46, 1080580), (92, 540290), (97, 512440), (115, 432232), (184, 270145), (194, 256220), (230, 216116), (388, 128110), (460, 108058), (485, 102488), (557, 89240), (776, 64055), (920, 54029), (970, 51244), (1114, 44620), (1940, 25622), (2228, 22310), (2231, 22280), (2785, 17848), (3880, 12811), (4456, 11155), (4462, 11140), (5570, 8924)]