20199867080

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{857}}^1\times {\mathrm{7459}}^1$

素因数の和:8406

約数の個数: 64

約数和(自身を含む): 46084896000

約数和(自身を除く): 25885028920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 857, 1580, 1714, 3160, 3428, 4285, 6856, 7459, 8570, 14918, 17140, 29836, 34280, 37295, 59672, 67703, 74590, 135406, 149180, 270812, 298360, 338515, 541624, 589261, 677030, 1178522, 1354060, 2357044, 2708120, 2946305, 4714088, 5892610, 6392363, 11785220, 12784726, 23570440, 25569452, 31961815, 51138904, 63923630, 127847260, 255694520, 504996677, 1009993354, 2019986708, 2524983385, 4039973416, 5049966770, 10099933540, 20199867080]

約数ペア:

[(1, 20199867080), (2, 10099933540), (4, 5049966770), (5, 4039973416), (8, 2524983385), (10, 2019986708), (20, 1009993354), (40, 504996677), (79, 255694520), (158, 127847260), (316, 63923630), (395, 51138904), (632, 31961815), (790, 25569452), (857, 23570440), (1580, 12784726), (1714, 11785220), (3160, 6392363), (3428, 5892610), (4285, 4714088), (6856, 2946305), (7459, 2708120), (8570, 2357044), (14918, 1354060), (17140, 1178522), (29836, 677030), (34280, 589261), (37295, 541624), (59672, 338515), (67703, 298360), (74590, 270812), (135406, 149180)]