80311840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{71707}}^1$

素因数の和:71729

約数の個数: 48

約数和(自身を含む): 216844992

約数和(自身を除く): 136533152

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 71707, 143414, 286828, 358535, 501949, 573656, 717070, 1003898, 1147312, 1434140, 2007796, 2294624, 2509745, 2868280, 4015592, 5019490, 5736560, 8031184, 10038980, 11473120, 16062368, 20077960, 40155920, 80311840]

約数ペア:

[(1, 80311840), (2, 40155920), (4, 20077960), (5, 16062368), (7, 11473120), (8, 10038980), (10, 8031184), (14, 5736560), (16, 5019490), (20, 4015592), (28, 2868280), (32, 2509745), (35, 2294624), (40, 2007796), (56, 1434140), (70, 1147312), (80, 1003898), (112, 717070), (140, 573656), (160, 501949), (224, 358535), (280, 286828), (560, 143414), (1120, 71707)]