84815020

素因数分解:

$2^2\times 5^1\times {\mathrm{139}}^1\times {\mathrm{30509}}^1$

素因数の和:30657

約数の個数: 24

約数和(自身を含む): 179398800

約数和(自身を除く): 94583780

約数列:

[1, 2, 4, 5, 10, 20, 139, 278, 556, 695, 1390, 2780, 30509, 61018, 122036, 152545, 305090, 610180, 4240751, 8481502, 16963004, 21203755, 42407510, 84815020]

約数ペア:

[(1, 84815020), (2, 42407510), (4, 21203755), (5, 16963004), (10, 8481502), (20, 4240751), (139, 610180), (278, 305090), (556, 152545), (695, 122036), (1390, 61018), (2780, 30509)]