18806080

素因数分解:

$2^6\times 5^1\times {\mathrm{17}}^1\times {\mathrm{3457}}^1$

素因数の和:3491

約数の個数: 56

約数和(自身を含む): 47429928

約数和(自身を除く): 28623848

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 32, 34, 40, 64, 68, 80, 85, 136, 160, 170, 272, 320, 340, 544, 680, 1088, 1360, 2720, 3457, 5440, 6914, 13828, 17285, 27656, 34570, 55312, 58769, 69140, 110624, 117538, 138280, 221248, 235076, 276560, 293845, 470152, 553120, 587690, 940304, 1106240, 1175380, 1880608, 2350760, 3761216, 4701520, 9403040, 18806080]

約数ペア:

[(1, 18806080), (2, 9403040), (4, 4701520), (5, 3761216), (8, 2350760), (10, 1880608), (16, 1175380), (17, 1106240), (20, 940304), (32, 587690), (34, 553120), (40, 470152), (64, 293845), (68, 276560), (80, 235076), (85, 221248), (136, 138280), (160, 117538), (170, 110624), (272, 69140), (320, 58769), (340, 55312), (544, 34570), (680, 27656), (1088, 17285), (1360, 13828), (2720, 6914), (3457, 5440)]