80280016

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{181}}^1\times {\mathrm{1459}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 164746400

約数和(自身を除く): 84466384

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 181, 304, 362, 724, 1448, 1459, 2896, 2918, 3439, 5836, 6878, 11672, 13756, 23344, 27512, 27721, 55024, 55442, 110884, 221768, 264079, 443536, 528158, 1056316, 2112632, 4225264, 5017501, 10035002, 20070004, 40140008, 80280016]

約数ペア:

[(1, 80280016), (2, 40140008), (4, 20070004), (8, 10035002), (16, 5017501), (19, 4225264), (38, 2112632), (76, 1056316), (152, 528158), (181, 443536), (304, 264079), (362, 221768), (724, 110884), (1448, 55442), (1459, 55024), (2896, 27721), (2918, 27512), (3439, 23344), (5836, 13756), (6878, 11672)]