27205760

素因数分解:

$2^7\times 5^1\times {\mathrm{42509}}^1$

素因数の和:42528

約数の個数: 32

約数和(自身を含む): 65040300

約数和(自身を除く): 37834540

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 42509, 85018, 170036, 212545, 340072, 425090, 680144, 850180, 1360288, 1700360, 2720576, 3400720, 5441152, 6801440, 13602880, 27205760]

約数ペア:

[(1, 27205760), (2, 13602880), (4, 6801440), (5, 5441152), (8, 3400720), (10, 2720576), (16, 1700360), (20, 1360288), (32, 850180), (40, 680144), (64, 425090), (80, 340072), (128, 212545), (160, 170036), (320, 85018), (640, 42509)]