77639120

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{74653}}^1$

素因数の和:74679

約数の個数: 40

約数和(自身を含む): 194399016

約数和(自身を除く): 116759896

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 74653, 149306, 298612, 373265, 597224, 746530, 970489, 1194448, 1493060, 1940978, 2986120, 3881956, 4852445, 5972240, 7763912, 9704890, 15527824, 19409780, 38819560, 77639120]

約数ペア:

[(1, 77639120), (2, 38819560), (4, 19409780), (5, 15527824), (8, 9704890), (10, 7763912), (13, 5972240), (16, 4852445), (20, 3881956), (26, 2986120), (40, 1940978), (52, 1493060), (65, 1194448), (80, 970489), (104, 746530), (130, 597224), (208, 373265), (260, 298612), (520, 149306), (1040, 74653)]