28486480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32371}}^1$

素因数の和:32395

約数の個数: 40

約数和(自身を含む): 72254304

約数和(自身を除く): 43767824

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 32371, 64742, 129484, 161855, 258968, 323710, 356081, 517936, 647420, 712162, 1294840, 1424324, 1780405, 2589680, 2848648, 3560810, 5697296, 7121620, 14243240, 28486480]

約数ペア:

[(1, 28486480), (2, 14243240), (4, 7121620), (5, 5697296), (8, 3560810), (10, 2848648), (11, 2589680), (16, 1780405), (20, 1424324), (22, 1294840), (40, 712162), (44, 647420), (55, 517936), (80, 356081), (88, 323710), (110, 258968), (176, 161855), (220, 129484), (440, 64742), (880, 32371)]