86805040

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{155009}}^1$

素因数の和:155029

約数の個数: 40

約数和(自身を含む): 230654880

約数和(自身を除く): 143849840

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 155009, 310018, 620036, 775045, 1085063, 1240072, 1550090, 2170126, 2480144, 3100180, 4340252, 5425315, 6200360, 8680504, 10850630, 12400720, 17361008, 21701260, 43402520, 86805040]

約数ペア:

[(1, 86805040), (2, 43402520), (4, 21701260), (5, 17361008), (7, 12400720), (8, 10850630), (10, 8680504), (14, 6200360), (16, 5425315), (20, 4340252), (28, 3100180), (35, 2480144), (40, 2170126), (56, 1550090), (70, 1240072), (80, 1085063), (112, 775045), (140, 620036), (280, 310018), (560, 155009)]