2011055920

素因数分解:

$2^4\times 5^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1\times {\mathrm{821}}^1$

素因数の和:1358

約数の個数: 80

約数和(自身を含む): 4761668448

約数和(自身を除く): 2750612528

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 67, 80, 134, 268, 335, 457, 536, 670, 821, 914, 1072, 1340, 1642, 1828, 2285, 2680, 3284, 3656, 4105, 4570, 5360, 6568, 7312, 8210, 9140, 13136, 16420, 18280, 30619, 32840, 36560, 55007, 61238, 65680, 110014, 122476, 153095, 220028, 244952, 275035, 306190, 375197, 440056, 489904, 550070, 612380, 750394, 880112, 1100140, 1224760, 1500788, 1875985, 2200280, 2449520, 3001576, 3751970, 4400560, 6003152, 7503940, 15007880, 25138199, 30015760, 50276398, 100552796, 125690995, 201105592, 251381990, 402211184, 502763980, 1005527960, 2011055920]

約数ペア:

[(1, 2011055920), (2, 1005527960), (4, 502763980), (5, 402211184), (8, 251381990), (10, 201105592), (16, 125690995), (20, 100552796), (40, 50276398), (67, 30015760), (80, 25138199), (134, 15007880), (268, 7503940), (335, 6003152), (457, 4400560), (536, 3751970), (670, 3001576), (821, 2449520), (914, 2200280), (1072, 1875985), (1340, 1500788), (1642, 1224760), (1828, 1100140), (2285, 880112), (2680, 750394), (3284, 612380), (3656, 550070), (4105, 489904), (4570, 440056), (5360, 375197), (6568, 306190), (7312, 275035), (8210, 244952), (9140, 220028), (13136, 153095), (16420, 122476), (18280, 110014), (30619, 65680), (32840, 61238), (36560, 55007)]