78486535640

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{486527}}^1$

素因数の和:486684

約数の個数: 64

約数和(自身を含む): 183031833600

約数和(自身を除く): 104545297960

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 109, 148, 185, 218, 296, 370, 436, 545, 740, 872, 1090, 1480, 2180, 4033, 4360, 8066, 16132, 20165, 32264, 40330, 80660, 161320, 486527, 973054, 1946108, 2432635, 3892216, 4865270, 9730540, 18001499, 19461080, 36002998, 53031443, 72005996, 90007495, 106062886, 144011992, 180014990, 212125772, 265157215, 360029980, 424251544, 530314430, 720059960, 1060628860, 1962163391, 2121257720, 3924326782, 7848653564, 9810816955, 15697307128, 19621633910, 39243267820, 78486535640]

約数ペア:

[(1, 78486535640), (2, 39243267820), (4, 19621633910), (5, 15697307128), (8, 9810816955), (10, 7848653564), (20, 3924326782), (37, 2121257720), (40, 1962163391), (74, 1060628860), (109, 720059960), (148, 530314430), (185, 424251544), (218, 360029980), (296, 265157215), (370, 212125772), (436, 180014990), (545, 144011992), (740, 106062886), (872, 90007495), (1090, 72005996), (1480, 53031443), (2180, 36002998), (4033, 19461080), (4360, 18001499), (8066, 9730540), (16132, 4865270), (20165, 3892216), (32264, 2432635), (40330, 1946108), (80660, 973054), (161320, 486527)]