31613920

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^1\times {\mathrm{15199}}^1$

素因数の和:15227

約数の個数: 48

約数和(自身を含む): 80438400

約数和(自身を除く): 48824480

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 208, 260, 416, 520, 1040, 2080, 15199, 30398, 60796, 75995, 121592, 151990, 197587, 243184, 303980, 395174, 486368, 607960, 790348, 987935, 1215920, 1580696, 1975870, 2431840, 3161392, 3951740, 6322784, 7903480, 15806960, 31613920]

約数ペア:

[(1, 31613920), (2, 15806960), (4, 7903480), (5, 6322784), (8, 3951740), (10, 3161392), (13, 2431840), (16, 1975870), (20, 1580696), (26, 1215920), (32, 987935), (40, 790348), (52, 607960), (65, 486368), (80, 395174), (104, 303980), (130, 243184), (160, 197587), (208, 151990), (260, 121592), (416, 75995), (520, 60796), (1040, 30398), (2080, 15199)]