16121620

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{101}}^1\times {\mathrm{347}}^1$

素因数の和:480

約数の個数: 48

約数和(自身を含む): 35779968

約数和(自身を除く): 19658348

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 101, 115, 202, 230, 347, 404, 460, 505, 694, 1010, 1388, 1735, 2020, 2323, 3470, 4646, 6940, 7981, 9292, 11615, 15962, 23230, 31924, 35047, 39905, 46460, 70094, 79810, 140188, 159620, 175235, 350470, 700940, 806081, 1612162, 3224324, 4030405, 8060810, 16121620]

約数ペア:

[(1, 16121620), (2, 8060810), (4, 4030405), (5, 3224324), (10, 1612162), (20, 806081), (23, 700940), (46, 350470), (92, 175235), (101, 159620), (115, 140188), (202, 79810), (230, 70094), (347, 46460), (404, 39905), (460, 35047), (505, 31924), (694, 23230), (1010, 15962), (1388, 11615), (1735, 9292), (2020, 7981), (2323, 6940), (3470, 4646)]