2020643920

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1329371}}^1$

素因数の和:1329403

約数の個数: 40

約数和(自身を含む): 4945263840

約数和(自身を除く): 2924619920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 1329371, 2658742, 5317484, 6646855, 10634968, 13293710, 21269936, 25258049, 26587420, 50516098, 53174840, 101032196, 106349680, 126290245, 202064392, 252580490, 404128784, 505160980, 1010321960, 2020643920]

約数ペア:

[(1, 2020643920), (2, 1010321960), (4, 505160980), (5, 404128784), (8, 252580490), (10, 202064392), (16, 126290245), (19, 106349680), (20, 101032196), (38, 53174840), (40, 50516098), (76, 26587420), (80, 25258049), (95, 21269936), (152, 13293710), (190, 10634968), (304, 6646855), (380, 5317484), (760, 2658742), (1520, 1329371)]