131609680

素因数分解:

$2^4\times 5^1\times {\mathrm{23}}^1\times {\mathrm{71527}}^1$

素因数の和:71563

約数の個数: 40

約数和(自身を含む): 319300992

約数和(自身を除く): 187691312

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 23, 40, 46, 80, 92, 115, 184, 230, 368, 460, 920, 1840, 71527, 143054, 286108, 357635, 572216, 715270, 1144432, 1430540, 1645121, 2861080, 3290242, 5722160, 6580484, 8225605, 13160968, 16451210, 26321936, 32902420, 65804840, 131609680]

約数ペア:

[(1, 131609680), (2, 65804840), (4, 32902420), (5, 26321936), (8, 16451210), (10, 13160968), (16, 8225605), (20, 6580484), (23, 5722160), (40, 3290242), (46, 2861080), (80, 1645121), (92, 1430540), (115, 1144432), (184, 715270), (230, 572216), (368, 357635), (460, 286108), (920, 143054), (1840, 71527)]