164670400

素因数分解:

$2^6\times 5^2\times {\mathrm{101}}^1\times {\mathrm{1019}}^1$

素因数の和:1142

約数の個数: 84

約数和(自身を含む): 409605480

約数和(自身を除く): 244935080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 101, 160, 200, 202, 320, 400, 404, 505, 800, 808, 1010, 1019, 1600, 1616, 2020, 2038, 2525, 3232, 4040, 4076, 5050, 5095, 6464, 8080, 8152, 10100, 10190, 16160, 16304, 20200, 20380, 25475, 32320, 32608, 40400, 40760, 50950, 65216, 80800, 81520, 101900, 102919, 161600, 163040, 203800, 205838, 326080, 407600, 411676, 514595, 815200, 823352, 1029190, 1630400, 1646704, 2058380, 2572975, 3293408, 4116760, 5145950, 6586816, 8233520, 10291900, 16467040, 20583800, 32934080, 41167600, 82335200, 164670400]

約数ペア:

[(1, 164670400), (2, 82335200), (4, 41167600), (5, 32934080), (8, 20583800), (10, 16467040), (16, 10291900), (20, 8233520), (25, 6586816), (32, 5145950), (40, 4116760), (50, 3293408), (64, 2572975), (80, 2058380), (100, 1646704), (101, 1630400), (160, 1029190), (200, 823352), (202, 815200), (320, 514595), (400, 411676), (404, 407600), (505, 326080), (800, 205838), (808, 203800), (1010, 163040), (1019, 161600), (1600, 102919), (1616, 101900), (2020, 81520), (2038, 80800), (2525, 65216), (3232, 50950), (4040, 40760), (4076, 40400), (5050, 32608), (5095, 32320), (6464, 25475), (8080, 20380), (8152, 20200), (10100, 16304), (10190, 16160)]