28399940

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{107}}^1\times {\mathrm{577}}^1$

素因数の和:716

約数の個数: 48

約数和(自身を含む): 62923392

約数和(自身を除く): 34523452

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 107, 115, 214, 230, 428, 460, 535, 577, 1070, 1154, 2140, 2308, 2461, 2885, 4922, 5770, 9844, 11540, 12305, 13271, 24610, 26542, 49220, 53084, 61739, 66355, 123478, 132710, 246956, 265420, 308695, 617390, 1234780, 1419997, 2839994, 5679988, 7099985, 14199970, 28399940]

約数ペア:

[(1, 28399940), (2, 14199970), (4, 7099985), (5, 5679988), (10, 2839994), (20, 1419997), (23, 1234780), (46, 617390), (92, 308695), (107, 265420), (115, 246956), (214, 132710), (230, 123478), (428, 66355), (460, 61739), (535, 53084), (577, 49220), (1070, 26542), (1154, 24610), (2140, 13271), (2308, 12305), (2461, 11540), (2885, 9844), (4922, 5770)]