2029921520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{281}}^1\times {\mathrm{8209}}^1$

素因数の和:8514

約数の個数: 80

約数和(自身を含む): 5167571040

約数和(自身を除く): 3137649520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 281, 440, 562, 880, 1124, 1405, 2248, 2810, 3091, 4496, 5620, 6182, 8209, 11240, 12364, 15455, 16418, 22480, 24728, 30910, 32836, 41045, 49456, 61820, 65672, 82090, 90299, 123640, 131344, 164180, 180598, 247280, 328360, 361196, 451495, 656720, 722392, 902990, 1444784, 1805980, 2306729, 3611960, 4613458, 7223920, 9226916, 11533645, 18453832, 23067290, 25374019, 36907664, 46134580, 50748038, 92269160, 101496076, 126870095, 184538320, 202992152, 253740190, 405984304, 507480380, 1014960760, 2029921520]

約数ペア:

[(1, 2029921520), (2, 1014960760), (4, 507480380), (5, 405984304), (8, 253740190), (10, 202992152), (11, 184538320), (16, 126870095), (20, 101496076), (22, 92269160), (40, 50748038), (44, 46134580), (55, 36907664), (80, 25374019), (88, 23067290), (110, 18453832), (176, 11533645), (220, 9226916), (281, 7223920), (440, 4613458), (562, 3611960), (880, 2306729), (1124, 1805980), (1405, 1444784), (2248, 902990), (2810, 722392), (3091, 656720), (4496, 451495), (5620, 361196), (6182, 328360), (8209, 247280), (11240, 180598), (12364, 164180), (15455, 131344), (16418, 123640), (22480, 90299), (24728, 82090), (30910, 65672), (32836, 61820), (41045, 49456)]