168807640

素因数分解:

$2^3\times 5^1\times {\mathrm{1907}}^1\times {\mathrm{2213}}^1$

素因数の和:4131

約数の個数: 32

約数和(自身を含む): 380188080

約数和(自身を除く): 211380440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1907, 2213, 3814, 4426, 7628, 8852, 9535, 11065, 15256, 17704, 19070, 22130, 38140, 44260, 76280, 88520, 4220191, 8440382, 16880764, 21100955, 33761528, 42201910, 84403820, 168807640]

約数ペア:

[(1, 168807640), (2, 84403820), (4, 42201910), (5, 33761528), (8, 21100955), (10, 16880764), (20, 8440382), (40, 4220191), (1907, 88520), (2213, 76280), (3814, 44260), (4426, 38140), (7628, 22130), (8852, 19070), (9535, 17704), (11065, 15256)]