38776720

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{97}}^1\times {\mathrm{263}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 96243840

約数和(自身を除く): 57467120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 97, 152, 190, 194, 263, 304, 380, 388, 485, 526, 760, 776, 970, 1052, 1315, 1520, 1552, 1843, 1940, 2104, 2630, 3686, 3880, 4208, 4997, 5260, 7372, 7760, 9215, 9994, 10520, 14744, 18430, 19988, 21040, 24985, 25511, 29488, 36860, 39976, 49970, 51022, 73720, 79952, 99940, 102044, 127555, 147440, 199880, 204088, 255110, 399760, 408176, 484709, 510220, 969418, 1020440, 1938836, 2040880, 2423545, 3877672, 4847090, 7755344, 9694180, 19388360, 38776720]

約数ペア:

[(1, 38776720), (2, 19388360), (4, 9694180), (5, 7755344), (8, 4847090), (10, 3877672), (16, 2423545), (19, 2040880), (20, 1938836), (38, 1020440), (40, 969418), (76, 510220), (80, 484709), (95, 408176), (97, 399760), (152, 255110), (190, 204088), (194, 199880), (263, 147440), (304, 127555), (380, 102044), (388, 99940), (485, 79952), (526, 73720), (760, 51022), (776, 49970), (970, 39976), (1052, 36860), (1315, 29488), (1520, 25511), (1552, 24985), (1843, 21040), (1940, 19988), (2104, 18430), (2630, 14744), (3686, 10520), (3880, 9994), (4208, 9215), (4997, 7760), (5260, 7372)]