85242820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{8861}}^1$

素因数の和:8920

約数の個数: 48

約数和(自身を含む): 198012528

約数和(自身を除く): 112769708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 37, 52, 65, 74, 130, 148, 185, 260, 370, 481, 740, 962, 1924, 2405, 4810, 8861, 9620, 17722, 35444, 44305, 88610, 115193, 177220, 230386, 327857, 460772, 575965, 655714, 1151930, 1311428, 1639285, 2303860, 3278570, 4262141, 6557140, 8524282, 17048564, 21310705, 42621410, 85242820]

約数ペア:

[(1, 85242820), (2, 42621410), (4, 21310705), (5, 17048564), (10, 8524282), (13, 6557140), (20, 4262141), (26, 3278570), (37, 2303860), (52, 1639285), (65, 1311428), (74, 1151930), (130, 655714), (148, 575965), (185, 460772), (260, 327857), (370, 230386), (481, 177220), (740, 115193), (962, 88610), (1924, 44305), (2405, 35444), (4810, 17722), (8861, 9620)]