72838000

素因数分解:

$2^4\times 5^3\times {\mathrm{79}}^1\times {\mathrm{461}}^1$

素因数の和:563

約数の個数: 80

約数和(自身を含む): 178738560

約数和(自身を除く): 105900560

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 79, 80, 100, 125, 158, 200, 250, 316, 395, 400, 461, 500, 632, 790, 922, 1000, 1264, 1580, 1844, 1975, 2000, 2305, 3160, 3688, 3950, 4610, 6320, 7376, 7900, 9220, 9875, 11525, 15800, 18440, 19750, 23050, 31600, 36419, 36880, 39500, 46100, 57625, 72838, 79000, 92200, 115250, 145676, 158000, 182095, 184400, 230500, 291352, 364190, 461000, 582704, 728380, 910475, 922000, 1456760, 1820950, 2913520, 3641900, 4552375, 7283800, 9104750, 14567600, 18209500, 36419000, 72838000]

約数ペア:

[(1, 72838000), (2, 36419000), (4, 18209500), (5, 14567600), (8, 9104750), (10, 7283800), (16, 4552375), (20, 3641900), (25, 2913520), (40, 1820950), (50, 1456760), (79, 922000), (80, 910475), (100, 728380), (125, 582704), (158, 461000), (200, 364190), (250, 291352), (316, 230500), (395, 184400), (400, 182095), (461, 158000), (500, 145676), (632, 115250), (790, 92200), (922, 79000), (1000, 72838), (1264, 57625), (1580, 46100), (1844, 39500), (1975, 36880), (2000, 36419), (2305, 31600), (3160, 23050), (3688, 19750), (3950, 18440), (4610, 15800), (6320, 11525), (7376, 9875), (7900, 9220)]