85815040

素因数分解:

$2^8\times 5^1\times {\mathrm{67043}}^1$

素因数の和:67064

約数の個数: 36

約数和(自身を含む): 205556904

約数和(自身を除く): 119741864

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 67043, 134086, 268172, 335215, 536344, 670430, 1072688, 1340860, 2145376, 2681720, 4290752, 5363440, 8581504, 10726880, 17163008, 21453760, 42907520, 85815040]

約数ペア:

[(1, 85815040), (2, 42907520), (4, 21453760), (5, 17163008), (8, 10726880), (10, 8581504), (16, 5363440), (20, 4290752), (32, 2681720), (40, 2145376), (64, 1340860), (80, 1072688), (128, 670430), (160, 536344), (256, 335215), (320, 268172), (640, 134086), (1280, 67043)]