40486480

素因数分解:

$2^4\times 5^1\times {\mathrm{281}}^1\times {\mathrm{1801}}^1$

素因数の和:2095

約数の個数: 40

約数和(自身を含む): 94518504

約数和(自身を除く): 54032024

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 281, 562, 1124, 1405, 1801, 2248, 2810, 3602, 4496, 5620, 7204, 9005, 11240, 14408, 18010, 22480, 28816, 36020, 72040, 144080, 506081, 1012162, 2024324, 2530405, 4048648, 5060810, 8097296, 10121620, 20243240, 40486480]

約数ペア:

[(1, 40486480), (2, 20243240), (4, 10121620), (5, 8097296), (8, 5060810), (10, 4048648), (16, 2530405), (20, 2024324), (40, 1012162), (80, 506081), (281, 144080), (562, 72040), (1124, 36020), (1405, 28816), (1801, 22480), (2248, 18010), (2810, 14408), (3602, 11240), (4496, 9005), (5620, 7204)]