80996810

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{3911}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 154915200

約数和(自身を除く): 73918390

約数列:

[1, 2, 5, 10, 19, 38, 95, 109, 190, 218, 545, 1090, 2071, 3911, 4142, 7822, 10355, 19555, 20710, 39110, 74309, 148618, 371545, 426299, 743090, 852598, 2131495, 4262990, 8099681, 16199362, 40498405, 80996810]

約数ペア:

[(1, 80996810), (2, 40498405), (5, 16199362), (10, 8099681), (19, 4262990), (38, 2131495), (95, 852598), (109, 743090), (190, 426299), (218, 371545), (545, 148618), (1090, 74309), (2071, 39110), (3911, 20710), (4142, 19555), (7822, 10355)]