28846960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{21211}}^1$

素因数の和:21241

約数の個数: 40

約数和(自身を含む): 71017776

約数和(自身を除く): 42170816

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 21211, 42422, 84844, 106055, 169688, 212110, 339376, 360587, 424220, 721174, 848440, 1442348, 1696880, 1802935, 2884696, 3605870, 5769392, 7211740, 14423480, 28846960]

約数ペア:

[(1, 28846960), (2, 14423480), (4, 7211740), (5, 5769392), (8, 3605870), (10, 2884696), (16, 1802935), (17, 1696880), (20, 1442348), (34, 848440), (40, 721174), (68, 424220), (80, 360587), (85, 339376), (136, 212110), (170, 169688), (272, 106055), (340, 84844), (680, 42422), (1360, 21211)]