12881440

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{563}}^1$

素因数の和:602

約数の個数: 96

約数和(自身を含む): 35816256

約数和(自身を除く): 22934816

約数列:

[1, 2, 4, 5, 8, 10, 11, 13, 16, 20, 22, 26, 32, 40, 44, 52, 55, 65, 80, 88, 104, 110, 130, 143, 160, 176, 208, 220, 260, 286, 352, 416, 440, 520, 563, 572, 715, 880, 1040, 1126, 1144, 1430, 1760, 2080, 2252, 2288, 2815, 2860, 4504, 4576, 5630, 5720, 6193, 7319, 9008, 11260, 11440, 12386, 14638, 18016, 22520, 22880, 24772, 29276, 30965, 36595, 45040, 49544, 58552, 61930, 73190, 80509, 90080, 99088, 117104, 123860, 146380, 161018, 198176, 234208, 247720, 292760, 322036, 402545, 495440, 585520, 644072, 805090, 990880, 1171040, 1288144, 1610180, 2576288, 3220360, 6440720, 12881440]

約数ペア:

[(1, 12881440), (2, 6440720), (4, 3220360), (5, 2576288), (8, 1610180), (10, 1288144), (11, 1171040), (13, 990880), (16, 805090), (20, 644072), (22, 585520), (26, 495440), (32, 402545), (40, 322036), (44, 292760), (52, 247720), (55, 234208), (65, 198176), (80, 161018), (88, 146380), (104, 123860), (110, 117104), (130, 99088), (143, 90080), (160, 80509), (176, 73190), (208, 61930), (220, 58552), (260, 49544), (286, 45040), (352, 36595), (416, 30965), (440, 29276), (520, 24772), (563, 22880), (572, 22520), (715, 18016), (880, 14638), (1040, 12386), (1126, 11440), (1144, 11260), (1430, 9008), (1760, 7319), (2080, 6193), (2252, 5720), (2288, 5630), (2815, 4576), (2860, 4504)]