51764680

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1657}}^1$

素因数の和:1750

約数の個数: 64

約数和(自身を含む): 128926080

約数和(自身を除く): 77161400

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 71, 88, 110, 142, 220, 284, 355, 440, 568, 710, 781, 1420, 1562, 1657, 2840, 3124, 3314, 3905, 6248, 6628, 7810, 8285, 13256, 15620, 16570, 18227, 31240, 33140, 36454, 66280, 72908, 91135, 117647, 145816, 182270, 235294, 364540, 470588, 588235, 729080, 941176, 1176470, 1294117, 2352940, 2588234, 4705880, 5176468, 6470585, 10352936, 12941170, 25882340, 51764680]

約数ペア:

[(1, 51764680), (2, 25882340), (4, 12941170), (5, 10352936), (8, 6470585), (10, 5176468), (11, 4705880), (20, 2588234), (22, 2352940), (40, 1294117), (44, 1176470), (55, 941176), (71, 729080), (88, 588235), (110, 470588), (142, 364540), (220, 235294), (284, 182270), (355, 145816), (440, 117647), (568, 91135), (710, 72908), (781, 66280), (1420, 36454), (1562, 33140), (1657, 31240), (2840, 18227), (3124, 16570), (3314, 15620), (3905, 13256), (6248, 8285), (6628, 7810)]