78360880

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{75347}}^1$

素因数の和:75373

約数の個数: 40

約数和(自身を含む): 196206192

約数和(自身を除く): 117845312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 75347, 150694, 301388, 376735, 602776, 753470, 979511, 1205552, 1506940, 1959022, 3013880, 3918044, 4897555, 6027760, 7836088, 9795110, 15672176, 19590220, 39180440, 78360880]

約数ペア:

[(1, 78360880), (2, 39180440), (4, 19590220), (5, 15672176), (8, 9795110), (10, 7836088), (13, 6027760), (16, 4897555), (20, 3918044), (26, 3013880), (40, 1959022), (52, 1506940), (65, 1205552), (80, 979511), (104, 753470), (130, 602776), (208, 376735), (260, 301388), (520, 150694), (1040, 75347)]