2077840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{1367}}^1$

素因数の和:1399

約数の個数: 40

約数和(自身を含む): 5088960

約数和(自身を除く): 3011120

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1367, 1520, 2734, 5468, 6835, 10936, 13670, 21872, 25973, 27340, 51946, 54680, 103892, 109360, 129865, 207784, 259730, 415568, 519460, 1038920, 2077840]

約数ペア:

[(1, 2077840), (2, 1038920), (4, 519460), (5, 415568), (8, 259730), (10, 207784), (16, 129865), (19, 109360), (20, 103892), (38, 54680), (40, 51946), (76, 27340), (80, 25973), (95, 21872), (152, 13670), (190, 10936), (304, 6835), (380, 5468), (760, 2734), (1367, 1520)]