28486960

素因数分解:

$2^4\times 5^1\times {\mathrm{97}}^1\times {\mathrm{3671}}^1$

素因数の和:3781

約数の個数: 40

約数和(自身を含む): 66933216

約数和(自身を除く): 38446256

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 97, 194, 388, 485, 776, 970, 1552, 1940, 3671, 3880, 7342, 7760, 14684, 18355, 29368, 36710, 58736, 73420, 146840, 293680, 356087, 712174, 1424348, 1780435, 2848696, 3560870, 5697392, 7121740, 14243480, 28486960]

約数ペア:

[(1, 28486960), (2, 14243480), (4, 7121740), (5, 5697392), (8, 3560870), (10, 2848696), (16, 1780435), (20, 1424348), (40, 712174), (80, 356087), (97, 293680), (194, 146840), (388, 73420), (485, 58736), (776, 36710), (970, 29368), (1552, 18355), (1940, 14684), (3671, 7760), (3880, 7342)]