1544240

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{199}}^1$

素因数の和:309

約数の個数: 40

約数和(自身を含む): 3645600

約数和(自身を除く): 2101360

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 199, 388, 398, 485, 776, 796, 970, 995, 1552, 1592, 1940, 1990, 3184, 3880, 3980, 7760, 7960, 15920, 19303, 38606, 77212, 96515, 154424, 193030, 308848, 386060, 772120, 1544240]

約数ペア:

[(1, 1544240), (2, 772120), (4, 386060), (5, 308848), (8, 193030), (10, 154424), (16, 96515), (20, 77212), (40, 38606), (80, 19303), (97, 15920), (194, 7960), (199, 7760), (388, 3980), (398, 3880), (485, 3184), (776, 1990), (796, 1940), (970, 1592), (995, 1552)]