129665680

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{5113}}^1$

素因数の和:5443

約数の個数: 40

約数和(自身を含む): 302482872

約数和(自身を除く): 172817192

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2536, 3170, 5072, 5113, 6340, 10226, 12680, 20452, 25360, 25565, 40904, 51130, 81808, 102260, 204520, 409040, 1620821, 3241642, 6483284, 8104105, 12966568, 16208210, 25933136, 32416420, 64832840, 129665680]

約数ペア:

[(1, 129665680), (2, 64832840), (4, 32416420), (5, 25933136), (8, 16208210), (10, 12966568), (16, 8104105), (20, 6483284), (40, 3241642), (80, 1620821), (317, 409040), (634, 204520), (1268, 102260), (1585, 81808), (2536, 51130), (3170, 40904), (5072, 25565), (5113, 25360), (6340, 20452), (10226, 12680)]