80813840

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{79}}^1\times {\mathrm{673}}^1$

素因数の和:784

約数の個数: 80

約数和(自身を含む): 200582400

約数和(自身を除く): 119768560

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 79, 80, 95, 152, 158, 190, 304, 316, 380, 395, 632, 673, 760, 790, 1264, 1346, 1501, 1520, 1580, 2692, 3002, 3160, 3365, 5384, 6004, 6320, 6730, 7505, 10768, 12008, 12787, 13460, 15010, 24016, 25574, 26920, 30020, 51148, 53167, 53840, 60040, 63935, 102296, 106334, 120080, 127870, 204592, 212668, 255740, 265835, 425336, 511480, 531670, 850672, 1010173, 1022960, 1063340, 2020346, 2126680, 4040692, 4253360, 5050865, 8081384, 10101730, 16162768, 20203460, 40406920, 80813840]

約数ペア:

[(1, 80813840), (2, 40406920), (4, 20203460), (5, 16162768), (8, 10101730), (10, 8081384), (16, 5050865), (19, 4253360), (20, 4040692), (38, 2126680), (40, 2020346), (76, 1063340), (79, 1022960), (80, 1010173), (95, 850672), (152, 531670), (158, 511480), (190, 425336), (304, 265835), (316, 255740), (380, 212668), (395, 204592), (632, 127870), (673, 120080), (760, 106334), (790, 102296), (1264, 63935), (1346, 60040), (1501, 53840), (1520, 53167), (1580, 51148), (2692, 30020), (3002, 26920), (3160, 25574), (3365, 24016), (5384, 15010), (6004, 13460), (6320, 12787), (6730, 12008), (7505, 10768)]