15706086520

素因数分解:

$2^3\times 5^1\times {\mathrm{18503}}^1\times {\mathrm{21221}}^1$

素因数の和:39735

約数の個数: 32

約数和(自身を含む): 35342269920

約数和(自身を除く): 19636183400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 18503, 21221, 37006, 42442, 74012, 84884, 92515, 106105, 148024, 169768, 185030, 212210, 370060, 424420, 740120, 848840, 392652163, 785304326, 1570608652, 1963260815, 3141217304, 3926521630, 7853043260, 15706086520]

約数ペア:

[(1, 15706086520), (2, 7853043260), (4, 3926521630), (5, 3141217304), (8, 1963260815), (10, 1570608652), (20, 785304326), (40, 392652163), (18503, 848840), (21221, 740120), (37006, 424420), (42442, 370060), (74012, 212210), (84884, 185030), (92515, 169768), (106105, 148024)]