260079320

素因数分解:

$2^3\times 5^1\times {\mathrm{6501983}}^1$

素因数の和:6501994

約数の個数: 16

約数和(自身を含む): 585178560

約数和(自身を除く): 325099240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 6501983, 13003966, 26007932, 32509915, 52015864, 65019830, 130039660, 260079320]

約数ペア:

[(1, 260079320), (2, 130039660), (4, 65019830), (5, 52015864), (8, 32509915), (10, 26007932), (20, 13003966), (40, 6501983)]