16103980

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^2\times {\mathrm{479}}^1$

素因数の和:570

約数の個数: 36

約数和(自身を含む): 34735680

約数和(自身を除く): 18631700

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 479, 820, 958, 1681, 1916, 2395, 3362, 4790, 6724, 8405, 9580, 16810, 19639, 33620, 39278, 78556, 98195, 196390, 392780, 805199, 1610398, 3220796, 4025995, 8051990, 16103980]

約数ペア:

[(1, 16103980), (2, 8051990), (4, 4025995), (5, 3220796), (10, 1610398), (20, 805199), (41, 392780), (82, 196390), (164, 98195), (205, 78556), (410, 39278), (479, 33620), (820, 19639), (958, 16810), (1681, 9580), (1916, 8405), (2395, 6724), (3362, 4790)]