8939440

素因数分解:

$2^4\times 5^1\times {\mathrm{131}}^1\times {\mathrm{853}}^1$

素因数の和:997

約数の個数: 40

約数和(自身を含む): 20967408

約数和(自身を除く): 12027968

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 131, 262, 524, 655, 853, 1048, 1310, 1706, 2096, 2620, 3412, 4265, 5240, 6824, 8530, 10480, 13648, 17060, 34120, 68240, 111743, 223486, 446972, 558715, 893944, 1117430, 1787888, 2234860, 4469720, 8939440]

約数ペア:

[(1, 8939440), (2, 4469720), (4, 2234860), (5, 1787888), (8, 1117430), (10, 893944), (16, 558715), (20, 446972), (40, 223486), (80, 111743), (131, 68240), (262, 34120), (524, 17060), (655, 13648), (853, 10480), (1048, 8530), (1310, 6824), (1706, 5240), (2096, 4265), (2620, 3412)]