43128520

素因数分解:

$2^3\times 5^1\times {\mathrm{541}}^1\times {\mathrm{1993}}^1$

素因数の和:2545

約数の個数: 32

約数和(自身を含む): 97267320

約数和(自身を除く): 54138800

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 541, 1082, 1993, 2164, 2705, 3986, 4328, 5410, 7972, 9965, 10820, 15944, 19930, 21640, 39860, 79720, 1078213, 2156426, 4312852, 5391065, 8625704, 10782130, 21564260, 43128520]

約数ペア:

[(1, 43128520), (2, 21564260), (4, 10782130), (5, 8625704), (8, 5391065), (10, 4312852), (20, 2156426), (40, 1078213), (541, 79720), (1082, 39860), (1993, 21640), (2164, 19930), (2705, 15944), (3986, 10820), (4328, 9965), (5410, 7972)]