2109886000

素因数分解:

$2^4\times 5^3\times {\mathrm{131}}^1\times {\mathrm{8053}}^1$

素因数の和:8207

約数の個数: 80

約数和(自身を含む): 5141287008

約数和(自身を除く): 3031401008

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 131, 200, 250, 262, 400, 500, 524, 655, 1000, 1048, 1310, 2000, 2096, 2620, 3275, 5240, 6550, 8053, 10480, 13100, 16106, 16375, 26200, 32212, 32750, 40265, 52400, 64424, 65500, 80530, 128848, 131000, 161060, 201325, 262000, 322120, 402650, 644240, 805300, 1006625, 1054943, 1610600, 2013250, 2109886, 3221200, 4026500, 4219772, 5274715, 8053000, 8439544, 10549430, 16106000, 16879088, 21098860, 26373575, 42197720, 52747150, 84395440, 105494300, 131867875, 210988600, 263735750, 421977200, 527471500, 1054943000, 2109886000]

約数ペア:

[(1, 2109886000), (2, 1054943000), (4, 527471500), (5, 421977200), (8, 263735750), (10, 210988600), (16, 131867875), (20, 105494300), (25, 84395440), (40, 52747150), (50, 42197720), (80, 26373575), (100, 21098860), (125, 16879088), (131, 16106000), (200, 10549430), (250, 8439544), (262, 8053000), (400, 5274715), (500, 4219772), (524, 4026500), (655, 3221200), (1000, 2109886), (1048, 2013250), (1310, 1610600), (2000, 1054943), (2096, 1006625), (2620, 805300), (3275, 644240), (5240, 402650), (6550, 322120), (8053, 262000), (10480, 201325), (13100, 161060), (16106, 131000), (16375, 128848), (26200, 80530), (32212, 65500), (32750, 64424), (40265, 52400)]