145187080

素因数分解:

$2^3\times 5^1\times {\mathrm{281}}^1\times {\mathrm{12917}}^1$

素因数の和:13209

約数の個数: 32

約数和(自身を含む): 327858840

約数和(自身を除く): 182671760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 281, 562, 1124, 1405, 2248, 2810, 5620, 11240, 12917, 25834, 51668, 64585, 103336, 129170, 258340, 516680, 3629677, 7259354, 14518708, 18148385, 29037416, 36296770, 72593540, 145187080]

約数ペア:

[(1, 145187080), (2, 72593540), (4, 36296770), (5, 29037416), (8, 18148385), (10, 14518708), (20, 7259354), (40, 3629677), (281, 516680), (562, 258340), (1124, 129170), (1405, 103336), (2248, 64585), (2810, 51668), (5620, 25834), (11240, 12917)]