80072080

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{4789}}^1$

素因数の和:4832

約数の個数: 80

約数和(自身を含む): 213825600

約数和(自身を除く): 133753520

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 19, 20, 22, 38, 40, 44, 55, 76, 80, 88, 95, 110, 152, 176, 190, 209, 220, 304, 380, 418, 440, 760, 836, 880, 1045, 1520, 1672, 2090, 3344, 4180, 4789, 8360, 9578, 16720, 19156, 23945, 38312, 47890, 52679, 76624, 90991, 95780, 105358, 181982, 191560, 210716, 263395, 363964, 383120, 421432, 454955, 526790, 727928, 842864, 909910, 1000901, 1053580, 1455856, 1819820, 2001802, 2107160, 3639640, 4003604, 4214320, 5004505, 7279280, 8007208, 10009010, 16014416, 20018020, 40036040, 80072080]

約数ペア:

[(1, 80072080), (2, 40036040), (4, 20018020), (5, 16014416), (8, 10009010), (10, 8007208), (11, 7279280), (16, 5004505), (19, 4214320), (20, 4003604), (22, 3639640), (38, 2107160), (40, 2001802), (44, 1819820), (55, 1455856), (76, 1053580), (80, 1000901), (88, 909910), (95, 842864), (110, 727928), (152, 526790), (176, 454955), (190, 421432), (209, 383120), (220, 363964), (304, 263395), (380, 210716), (418, 191560), (440, 181982), (760, 105358), (836, 95780), (880, 90991), (1045, 76624), (1520, 52679), (1672, 47890), (2090, 38312), (3344, 23945), (4180, 19156), (4789, 16720), (8360, 9578)]