15803240

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{4073}}^1$

素因数の和:4181

約数の個数: 32

約数和(自身を含む): 35932680

約数和(自身を除く): 20129440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1940, 3880, 4073, 8146, 16292, 20365, 32584, 40730, 81460, 162920, 395081, 790162, 1580324, 1975405, 3160648, 3950810, 7901620, 15803240]

約数ペア:

[(1, 15803240), (2, 7901620), (4, 3950810), (5, 3160648), (8, 1975405), (10, 1580324), (20, 790162), (40, 395081), (97, 162920), (194, 81460), (388, 40730), (485, 32584), (776, 20365), (970, 16292), (1940, 8146), (3880, 4073)]